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 Through August 2008
The navigation system is linked to the MMI infotainment system via the fiber-optic MOST Bus.
The navigation system is available from equipment version MMI basic plus.
With the version MMI basic plus, the navigation system with CD drive control module -J401- is located in the glove compartment and contains the radio -R- and the front information display control head control module -J523-.
In the MMI version, the navigation system with CD drive control module is located at the left rear of the luggage compartment.
All versions are operated via the multimedia control head -E380-.
Fault finding is performed via guided fault finding using vehicle diagnosis, testing & info. system VAS5051B.
Repairing antenna wires. Refer to ANTENNA WIRES, REPAIRING .
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.