Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Smart Fortwo PureFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Switches
SWITCHES LOCATION
| Component | Location |
|---|---|
| Combination Switch (S4) | On steering column. See Figure. |
| Engine Oil Pressure Switch (S41/1) | On oil filter housing. See Figure. |
| Ignition Lock Cylinder Switch Assembly (1) | In center console. See Figure. |
| Park Pawl Switch (S16/2) | Side of transmission. See Figure. |
| Stop Lamp Switch (S9/1) | On brake pedal assembly. See Figure. |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
