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Simulazione · Minimal Organization · Mid-sized firms and services

Car dealership

A franchised car dealership with workshop as a walkable model: how a car gets from reception to handover in one day and where lifts, parts or inspections slow it down.

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All data are fictional, brand and manufacturer included. The model can be adapted to your dealership's real data and then shows what no system delivers at a glance today – for example jobs per hour and lift, or days in stock per used car.

This dealership workshop simulation shows the fictional AUTOHAUS KESTRUP, a franchised dealer with workshop, seven buildings and 18 departments. At half past seven the cars queue at reception, at noon the lifts are full – and by evening every car should be ready to collect.

The main process starts with a customer whose brake squeaks. The service adviser walks round the car with her, diagnostics reads the fault memory and she approves new brake discs on a video call. The parts counter issues the parts or places an express order, a technician works on the lift and, if due, the roadworthiness test is added. Final check, test drive and wash are followed by invoice and handover. Model target: ready to collect within six hours.

New car sales, accident repairs and used car buying run alongside; brand and manufacturer in the model are invented. Owners and managing directors, service and sales managers, service reception, HR and training will find this page most useful.

A car comes in for service

  1. 01

    Customer drops off her car (appointment): Half past seven: a customer drops off her estate car for service, the brake squeaks.

  2. 02

    Reception at the car: The service adviser walks round the car with her, notes damage and wishes and quotes a price.

  3. 03

    Wheel change from wheel storage: The summer wheels come out of storage and are fitted.

  4. 04

    Fault finding with online diagnostics: Diagnostics reads the fault memory with the manufacturer's system.

  5. 05

    Customer approves the extra work: Call with video: the brake discs are worn – should they be done too?

  6. 06

    Issue parts: The parts counter issues brake pads, filters and oil.

  7. 07

    Express order at the parts centre: Express order at the parts centre – the run comes at noon or the next morning.

  8. 08

    Workshop repairs: A technician on the lift: service, brakes, software update.

  9. 09

    Roadworthiness test by the engineer: The engineer carries out the roadworthiness test and applies the sticker.

  10. 10

    Final check and test drive: Final check with test drive: anything still squeaking?

  11. 11

    Service wash: A quick run through the car wash.

  12. 12

    Prepare invoice, inform customer: Invoice ready, the customer gets a message: your car is ready.

  13. 13

    Customer collects her car: In the afternoon the customer collects her car.

  14. 14

    Handover and explain the invoice: The service adviser explains the invoice and returns the key.

  15. 15

    Collected.

  16. 16

    Check and file the warranty claim: Quality checks the warranty claim and files it on the portal.

  17. 17

    Manufacturer checks and reimburses: The manufacturer reimburses the warranty work.

  18. 18

    Warranty reimbursed.

A site at work

01

A site at work

7 buildings, 18 departments, about 170 staff: in the evening light golden arcs show who reports to whom.

Every floor opened up

02

Every floor opened up

Every building can be opened, floor by floor – right into single rooms such as ‘Mechanical workshop’, with workplaces and people at work.

What is shown – why – for whom

Cosa viene mostrato Perché Per chi
‘Where it gets tight’ diagram: lifts at noon PerchéShows workshop capacity. Per chiService manager, management
‘Year, week, day’ diagram: reception in the morning, collection in the evening, wheel changes PerchéShows daily and seasonal peaks. Per chiService reception, workforce planning
‘What each control does’ diagram: parts stock, technicians, used car buying, body bays PerchéRanks levers for throughput and tied-up capital. Per chiOwner, management
‘How a case flows’ diagram: extra work, express order, roadworthiness test PerchéShows the detours of a service visit. Per chiService advisers, customers
‘The path across the site’ diagram: reception, workshop, wash, yard PerchéShows the car's routes. Per chiSite management
Process ‘A used car is bought and prepared’ PerchéShows days in stock until sale. Per chiUsed car manager
Process ‘A family buys a new car’ PerchéShows sale, registration and handover. Per chiSales, training
Who works with whom

03

Who works with whom

‘Service reception’ with all 6 relations: Customer care, Mechanical workshop, Diagnostics and electronics, Quality and warranty audit and Accounting and controlling – and outside Customers in Westerbrück and surroundings.

A car comes in for service

04

A car comes in for service

A single case can be followed – step by step, with the waiting time at every station. Target: ready within 6 hours – the same afternoon.

Films from the model

  • The building opens up

    Just before sunset the floors drift apart – ‘Sales building with showroom’ opens up as the camera rises and circles the building until night falls.

  • Who reports to whom, who works with whom

    Blue hour above the site: first the golden arcs of the structure, then the collaboration of the most connected department, finally the whole building.

  • A day in time-lapse

    From ten in the morning to midnight in 26 seconds: the sun moves, the windows light up, at night the data lines glow.

  • Surge and system outage

    In time-lapse: ‘Hailstorm’ brings more work, then ‘Dealer management system fails’ – the data arcs turn red. The control ‘Technicians in the workshop’ set to ‘more’ brings recovery.

  • Seven diagrams

    Calculated live from the model: ‘Who works with whom’, ‘Year, week, day’, ‘Management levels as a staircase’, ‘How a case flows’, ‘What each control does’, ‘What the work depends on’, ‘Where it gets tight’.

  • Using the software

    With the full interface: open a building, a department’s relations, ‘Hailstorm’, a control, diagrams with their panel, one case.

Departments in the model

  • Management

    Runs the site: sales, service and figures.

  • Sales management

    Leads new and used cars, fleet and financing.

  • New car sales

    Advises in the showroom, configures, orders and hands over.

  • Used cars

    Values, buys, prepares and sells – cars of all makes.

  • Fleet and business customers

    Framework deals with companies, lease returns.

  • Financing and leasing

    Brokers loans and leasing of the captive bank.

  • Vehicle logistics and registration

    Orders from the manufacturer, receives new cars, registers them.

  • Service management

    Leads reception, workshop, body shop, parts and valeting.

  • Service reception

    Service advisers: reception at the car, queries, invoice, handover.

  • Customer care

    Books appointments, calls back, handles complaints.

  • Mechanical workshop

    Mechatronics technicians: service, brakes, engine, tyres.

  • Diagnostics and electronics

    Fault finding, software updates, high-voltage systems, calibration.

  • Body and paint

    Accident repair, straightening bench, paint booths.

  • Apprentices

    Learn mechatronics and bodywork at work and at vocational school.

  • Parts and accessories

    Store, parts counter, wheel storage, express orders.

  • Vehicle valeting

    Washing, interior cleaning, polishing, smart repair.

  • Accounting and controlling

    Invoices, insurance payments, vehicle stock.

  • Quality and warranty audit

    Final check and test drive, audits warranty claims before they go to the manufacturer – not reporting to the workshop.

Dealer management system fails

05

Dealer management system fails

The data arcs turn red and work stalls – the simulation shows where cases pile up and how long recovery takes.

06

A day in 26 seconds

From ten in the morning to midnight in time-lapse: commuters, moving light, windows switching on – and at night the data lines.

All processes in the model

A car comes in for service

  1. 01Customer drops off her car (appointment): Half past seven: a customer drops off her estate car for service, the brake squeaks.
  2. 02Reception at the car: The service adviser walks round the car with her, notes damage and wishes and quotes a price.
  3. 03Wheel change from wheel storage: The summer wheels come out of storage and are fitted.
  4. 04Fault finding with online diagnostics: Diagnostics reads the fault memory with the manufacturer's system.
  5. 05Customer approves the extra work: Call with video: the brake discs are worn – should they be done too?
  6. 06Issue parts: The parts counter issues brake pads, filters and oil.
  7. 07Express order at the parts centre: Express order at the parts centre – the run comes at noon or the next morning.
  8. 08Workshop repairs: A technician on the lift: service, brakes, software update.
  9. 09Roadworthiness test by the engineer: The engineer carries out the roadworthiness test and applies the sticker.
  10. 10Final check and test drive: Final check with test drive: anything still squeaking?
  11. 11Service wash: A quick run through the car wash.
  12. 12Prepare invoice, inform customer: Invoice ready, the customer gets a message: your car is ready.
  13. 13Customer collects her car: In the afternoon the customer collects her car.
  14. 14Handover and explain the invoice: The service adviser explains the invoice and returns the key.
  15. 15Collected.
  16. 16Check and file the warranty claim: Quality checks the warranty claim and files it on the portal.
  17. 17Manufacturer checks and reimburses: The manufacturer reimburses the warranty work.
  18. 18Warranty reimbursed.

A family buys a new car

  1. 01Advice in the showroom: Saturday morning in the showroom: a family looks for an ARVEN with a tow bar.
  2. 02Test drive in the demonstrator: Test drive in the demonstrator.
  3. 03Offer with trade-in: Offer including trade-in of the old car.
  4. 04Customer thinks it over: The family thinks it over and compares.
  5. 05No purchase.
  6. 06Captive bank checks financing or leasing: The captive bank checks credit and lease.
  7. 07Financing declined.
  8. 08Order in the dealer portal: Vehicle logistics orders the car in the dealer portal – exactly as configured – or finds a matching stock car.
  9. 09Build and delivery time at the manufacturer: The plant builds the car – the manufacturer sets the delivery time.
  10. 10Car transporter delivers the vehicle: A car transporter delivers the car.
  11. 11Goods receipt: check for transport damage: Goods receipt in the yard: paint damage from transport?
  12. 12Registration and pre-delivery inspection run at the same time.
  13. 13Prepare registration: Vehicle logistics prepares registration: papers, insurance proof, power of attorney.
  14. 14Registration office assigns the plate: The registration office assigns the plate.
  15. 15Pre-delivery inspection: The workshop does the pre-delivery inspection.
  16. 16Valeting: Protective film off, washing, interior ready.
  17. 17Registered and ready.
  18. 18Handover with introduction: Handover with introduction in the showroom.
  19. 19Delivered.

A car comes in after an accident

  1. 01Accident: customer calls, tow truck brings the car: A rear-end collision: the tow truck drops the car in the yard.
  2. 02Damage assessment: The body shop assesses the damage and clarifies who pays.
  3. 03Assessor writes the report: An assessor inspects the damage.
  4. 04Cost estimate: The body shop writes a cost estimate.
  5. 05Insurer approves the repair: The insurer approves the repair.
  6. 06Order body parts: Bumper, headlamp and brackets are ordered.
  7. 07Repair the body: Straightening bench, welding, fitting new parts.
  8. 08Paint in the booth: Painting in the booth, colour mixed to match.
  9. 09Calibrate driver assistance systems: Diagnostics recalibrates camera and radar.
  10. 10Final check and test drive: Final check: panel gaps, colour, function.
  11. 11Service wash: Wash and interior cleaning.
  12. 12Invoice to the insurer: Accounting invoices the insurer, the customer collects his car.
  13. 13Insurer cuts, accounting follows up: The insurer pays less – accounting follows up.
  14. 14Repaired and paid.

A used car is bought and prepared

  1. 01Customer offers his car: A customer offers his five-year-old compact car.
  2. 02Valuation with test drive: Valuation with test drive: condition, market price, cost until sale.
  3. 03No purchase.
  4. 04Purchase contract and payment: Purchase contract, payment, keys and papers.
  5. 05Waits for a workshop slot: The car waits in the yard for a workshop slot.
  6. 06Workshop repairs: Used car check in the same workshop: brakes, tyres, service.
  7. 07Paint in the booth: Scratches and dents are repaired in the paint booth.
  8. 08Valeting: Interior cleaning, polishing, smart repair.
  9. 09Photos, warranty, listing: Photos, warranty, listing on the online portals.
  10. 10Finding a buyer (stock days): The car stands on the used car lot, buyers call.
  11. 11Test drive, contract, handover: Test drive, contract, handover with warranty.
  12. 12Sold.

How a car dealership can use the model

  • Internal communication

    Showroom, service centre, body and paint, parts store, car wash, yard and used car display together: sales and service see where their work meets.

    Per chiManagement, service manager, sales manager

  • Onboarding

    New service advisers and technicians follow one car from the morning appointment to handover and see which station takes over after them.

    Per chiNew staff in reception, workshop and parts

  • Training

    Mechatronics and bodywork apprentices trigger a hailstorm or a sick wave and see when the lifts reach their limit.

    Per chiTrainers, apprentices

  • Explaining to customers

    Why does the workshop sometimes take longer than planned? The model shows customers extra work, express orders and the roadworthiness test as branches on the way to handover.

    Per chiService advisers, customer care, customers

  • Strategic overview

    Parts stock, technicians, used car buying, body bays: the model weighs throughput against tied-up capital. Spring and autumn show the seasonal peaks of wheel changes.

    Per chiOwner, management

Diagrams from the model

07

Diagrams from the model

‘Who works with whom’ as a dome of arcs – one of 14 diagrams calculated live from the same data.

The whole software

08

The whole software

Situation, key figure, time-lapse, six views, controls and disruptions: one click on a department shows its task, location and all relations.

What you can change

Controls

  • Workshop jobs: Tyre changes, holiday checks, winter checks: this many cars arrive in the morning.
  • Technicians in the workshop: How many cars are on the lifts at once.
  • Parts stock: More parts in stock: fewer express orders, but more capital tied up (model assumption).
  • Used car buying: More purchases fill the lot – and the workshop lifts.
  • Body and paint bays: Straightening bays and paint booths for accident and used cars.

Disruptions

  • Sick wave in the workshop: For ten days three in ten technicians are off – cars stay longer.
  • Hailstorm: For three weeks four times as many damage cases arrive – dents on roofs and bonnets.
  • Supply shortage at the parts centre: For two weeks express orders and body parts take three times as long.
  • Dealer management system fails: For three hours no reception, no invoice, no handover.

What a dealership gets

  • 01

    The dealership as a model

    Seven buildings from showroom to car wash, each of them opens up. Every car is a point of light on its way to the next station.

  • 02

    The workshop day in time-lapse

    The event simulation runs services, accident cars, new and used cars at the same time. At noon you see where cars wait for a lift.

  • 03

    Stock or cash

    Five controls and four disruptions, from parts stock to a dealer management system outage. When cars are stuck, a tip suggests the control, and a button applies the setting.

  • 04

    Diagrams instead of spreadsheets

    14 diagrams in four groups calculate live – from the daily rhythm of reception to the car's routes across the site.

  • 05

    For showroom and training room

    Runs in the browser, including on a large screen or projection in the showroom. A guided tour in eight steps explains how to start.

  • 06

    Designed, not off the peg

    The model comes from an artist and developer. A car maker, an insurer, a trades business and 32 more organisations share the same overview.

  • AUTOHAUS KESTRUP am Morgen – tiefe Sonne, lange Schatten, die ersten Pendler auf dem Weg ins Haus.
    AUTOHAUS KESTRUP in the morning – low sun, long shadows, the first commuters on their way in.
  • 7 Häuser, 18 Abteilungen, rund 170 Beschäftigte: Im Abendlicht zeigen goldene Bögen, wer an wen berichtet.
    Sales building with showroom in evening light – golden arcs show who reports to whom.
  • Kurz vor acht – Menschen strömen vom Parkplatz und von der Straße in die Häuser.
    Just before eight – people stream from the car park and the street into the buildings.
  • Blaue Stunde – In AUTOHAUS KESTRUP gehen die Fenster an.
    Blue hour – the windows of AUTOHAUS KESTRUP light up.
  • Nachts von oben – Verkaufshaus mit Schauraum offen, die Datenleitungen leuchten über dem Quartier.
    At night from above – Sales building with showroom opened up, data lines glowing across the site.
  • Verkaufshaus mit Schauraum aufgeklappt – jede Etage mit Arbeitsplätzen und Menschen.
    Sales building with showroom opened up – every floor with workplaces and people.
  • Dämmerung, Ansicht Leistung – Leuchtringe zeigen, wie ausgelastet jede Abteilung ist.
    Dusk, performance view – rings of light show how busy each department is.
  • Blick in die Etage von Serviceannahme – Tischreihen, darüber die Etagen als Lichtumriss.
    Looking into the floor of Service reception – rows of desks, the floors above as outlines of light.
  • Jedes Haus lässt sich öffnen, Etage für Etage – bis in einzelne Räume wie „Werkstatt Mechanik“, mit Arbeitsplätzen und Menschen bei der Arbeit.
    A room of its own – Mechanical workshop.
  • Servicezentrum offen – alle Geschosse mit Arbeitsplätzen und Menschen.
    Service centre opened up – every floor with workplaces and people.
  • Fahrzeughof – alle Geschosse auf einmal, Ansicht Leistung.
    Vehicle yard – all floors at once, performance view.
  • Aufbau in der Dämmerung – goldene Bögen von jeder Etage zu den Häusern, die an sie berichten.
    Structure at dusk – golden arcs from every floor to the buildings reporting to it.
  • „Serviceannahme“ mit allen 6 Beziehungen: Kundenbetreuung, Werkstatt Mechanik, Diagnose und Elektronik, Qualität und Garantieprüfung und Buchhaltung und Controlling – und nach außen Kundschaft in Westerbrück und Umland.
    Collaboration – Service reception with all 6 relations – to departments, buildings and partners.
  • Datenflüsse bei Nacht – Systeme und Nutzer, verbunden durch leuchtende Leitungen.
    Data flows at night – systems and users linked by glowing lines.
  • Datenflüsse in der Dämmerung – welche Abteilung welches System nutzt.
    Data flows at dusk – which department uses which system.
  • Aufbau über das ganze Quartier – Berichtswege zwischen den Häusern.
    Structure across the whole site – reporting lines between the buildings.
  • Das ganze Netz bei Nacht – Zusammenarbeit im Haus und weit hinaus.
    The whole network at night – collaboration inside and far beyond.
  • Jeder Schritt beschriftet – Name, wie viele warten, Auslastung.
    Every step labelled – name, how many are waiting, utilisation.
  • Ein einzelner Fall lässt sich verfolgen – Schritt für Schritt, mit der Wartezeit an jeder Station. Ziel: abholbereit binnen 6 Stunden – am selben Nachmittag.
    Following one case – ‘A car comes in for service’ – step by step through the building.
  • Ein zweiter Vorgang – „Eine Familie kauft einen neuen Wagen“.
    A second process – ‘A family buys a new car’.
  • Hagelsturm – Ansicht Ressourcen, die Rückstände wachsen Etage für Etage.
    Hailstorm – resources view, the backlog grows floor by floor.
  • Die Datenbögen werden rot, die Arbeit stockt – die Simulation zeigt, wo sich Vorgänge stauen und wie lange die Erholung dauert.
    Dealer management system fails – the data arcs turn red, work stalls.
  • Der Griff – Mechatroniker in der Werkstatt auf „mehr“ – ein Lichtblitz zeigt, wo er wirkt.
    The lever – Technicians in the workshop set to ‘more’ – a flash shows where it acts.
  • Frühling bei AUTOHAUS KESTRUP – Verkaufshaus mit Schauraum offen, Leuchtringe zeigen die Auslastung.
    Spring at AUTOHAUS KESTRUP – Sales building with showroom opened up, rings show the workload.
  • Sommerabend – warmes Licht, lange Schatten, goldene Bögen über dem Platz.
    Summer evening – warm light, long shadows, golden arcs above the square.
  • Herbst – Laub auf den Wegen, Ansicht Leistung.
    Autumn – leaves on the paths, performance view.
  • Winterabend – Schnee auf dem Quartier, Verkaufshaus mit Schauraum offen und hell, die Zusammenarbeit leuchtet.
    Winter evening – snow on the site, Sales building with showroom open and lit, collaboration glowing.
  • „Wer mit wem arbeitet“ als Kuppel aus Bögen – eines von 14 Schaubildern, die live aus denselben Daten gerechnet werden.
    Diagram ‘Who works with whom’, calculated live from the model.
  • Schaubild „Jahr, Woche, Tag“, live aus dem Modell gerechnet.
    Diagram ‘Year, week, day’, calculated live from the model.
  • Schaubild „Führungsebenen als Treppe“, live aus dem Modell gerechnet.
    Diagram ‘Management levels as a staircase’, calculated live from the model.
  • Schaubild „Wie ein Vorgang fließt“, live aus dem Modell gerechnet.
    Diagram ‘How a case flows’, calculated live from the model.
  • Schaubild „Was welcher Regler bewirkt“, live aus dem Modell gerechnet.
    Diagram ‘What each control does’, calculated live from the model.
  • Schaubild „Woran die Arbeit hängt“, live aus dem Modell gerechnet.
    Diagram ‘What the work depends on’, calculated live from the model.
  • Schaubild „Wo es eng wird“, live aus dem Modell gerechnet.
    Diagram ‘Where it gets tight’, calculated live from the model.
  • Schaubild „Wer führt wen“, live aus dem Modell gerechnet.
    Diagram ‘Who leads whom’, calculated live from the model.
  • Die ganze Software – Lage, Kennzahl, Zeit, Ansichten und die Regler unten.
    The whole software – situation, key figure, time, views and the controls below.
  • Verkaufshaus mit Schauraum gewählt – Etagenliste rechts, die Etagen schweben auseinander.
    Sales building with showroom selected – floor list on the right, the floors drift apart.
  • Lage, Kennzahl, Zeitraffer, sechs Ansichten, Regler und Störungen: Ein Klick auf eine Abteilung zeigt Aufgabe, Ort und alle Beziehungen.
    Service reception – card with task, location and all relations.
  • Hagelsturm ausgelöst – Chronik, Kennzahl und Engpass reagieren.
    Hailstorm triggered – timeline, key figure and bottleneck react.
  • Gegensteuern – Mechatroniker in der Werkstatt aufgestockt – die Kachel zeigt die Wirkung seit dem Griff.
    Countering – Technicians in the workshop increased – the tile shows the effect since the change.
  • Schaubild „Wie ein Vorgang fließt“ mit Tafel – Befunde in Sätzen.
    Diagram ‘How a case flows’ with its panel – findings in sentences.
  • Schaubild „Wer mit wem arbeitet“ mit Tafel.
    Diagram ‘Who works with whom’ with its panel.
  • Vorgang verfolgen – Schritt, Wartezeit und Zusage auf der Karte.
    Follow a case – step, waiting time and target on the card.
  • Der Rundgang führt in acht Schritten durch die Software.
    The tour leads through the software in eight steps.
  • 36 Organisationen zur Auswahl, jede mit eigenem Bild.
    36 organisations to choose from, each with its own picture.

Your dealership as a model

Would you like to see your workshop, parts store and yard like this? Get in touch by email or phone. We will clarify which data from your dealer management system the model needs. With the password, available on request, you can start the simulation yourself.

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Chiedere informazioni

Minimal Organization: Autohaus

I dati vanno solo a questo sito e servono unicamente a risponderle.

Basis and limits

Fictional company and fictional brand · model based on researched industry structures · no statement about real companies

1 case = 1 workshop job, 1 new car purchase, 1 accident car or 1 offered used car · 1 figure ≈ 3 employees

All volumes, durations, rates and capacities are model assumptions, not values of a real dealership. The ARVEN brand and manufacturer are invented.

The workshop has no opening hours in the model: whatever is not done in the evening continues overnight. Measured until “ready”, at most 6 hours after reception.

Documented: dealers as independent businesses, registration at the registration office, roadworthiness tests by testing organisations, warranty on used car sales.

Public sources the model is based on:

  • ZDK – Zentralverband Deutsches Kraftfahrzeuggewerbe: Zahlen & Fakten
  • Kraftfahrt-Bundesamt: Neuzulassungen und Besitzumschreibungen
  • Fahrzeug-Zulassungsverordnung (FZV)
  • StVZO § 29 (Hauptuntersuchung)
  • BGB §§ 434, 437, 476 (Mängelhaftung beim Kauf)
  • Vertikal-GVO (EU) 2022/720
  • AUTOHAUS (Fachmedium): Dialogannahme, Standzeiten im Gebrauchtwagengeschäft

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← Minimal Organization

All data are fictional, brand and manufacturer included. The model can be adapted to your dealership's real data and then shows what no system delivers at a glance today – for example jobs per hour and lift, or days in stock per used car.