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.
64 12... Initializing Telestart hand-held transmitter
- Hand-held transmitter is replaced
- Car Access System control unit is replaced
The auxiliary heating is switched on under an ambient temperature of approx. 15 °C with the hand-held transmitter and at a preselected switch-on time.
Heating can be activated directly in the Central Information Display at any ambient temperature. To do so, go to the parking function menu under direct operation and mark the auxiliary heating box.
Follow instructions and specifications in procedure.
Service functions:
→ Complete vehicle
→ Body
→ Air conditioning function
→ Telestart transmitter
→ Initialization
NO RELATED
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:
- • 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.