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.
Navigation System From 11.03.2008
The navigation system is part of information electronics control module 1 -J794- inside the instrument panel.
Operation is performed via the Multimedia Control Head -E380-.
Navigation data is stored on an internal hard drive disc (HDD) on the MMI with maximum features.
Fault finding is performed via "Guided Fault Finding" using the Vehicle Diagnostic Tester.
Repairing antenna wires, refer to General Information .
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.