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.
Direction Indicator Lights: Notes
The front and rear direction indicator light as well as the side direction indicator repeaters can be switched on as from Terminal R ON. They are operated by means of the switch on the steering column switch cluster. The signal from the steering column stalk is transmitted redundantly via the FlexRay and a separate wire. This increases system availability, for instance in the event of faults.
It is nonetheless still possible to use the direction indicators if the information does not arrive at the footwell module via the bus system. This is because the information is available redundantly over the separate wire.
A defective light source in the front or rear direction indicator lights causes the remaining direction indicator lights to flash at double the rate. A defective light source in the front direction indicator repeaters has no influence on the flashing rate of the direction indicator lights.
All direction indicator lights are equipped with LEDs (Light Emitting Diodes).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.