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.
Brief component description: Notes
The following description does not go into detail about all possible equipment ranges of the central locking system (in dependence on the model series, model, vehicle equipment and national-market version).
The following components are described for the central locking system:
- Driver's door lock
- Door contacts
- Remote control or identification signal
- Central locking button
- Inner tailgate pushbutton and outer tailgate pushbutton
- Glove compartment button
- Car access system (CAS)
- Junction Box Electronics (JBE)
- Footwell module (FRM)
NO RELATED
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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.