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
Description
RNS-E navigation system is an enhancement of the established navigation system II-D. The function selection switch is integrated in the unit (MMI operation). A DVD is used as the navigation CD.
Screen folds away. DVD drive and two MP3 card readers are located behind.
In addition to the navigation system, the RNS-E has a radio, two MP3 card readers and connections for Navigation/TV Tuner -J415- and CD Changer -R41-. The DVD drive can play music CDs.
Fault finding is performed via "Guided Fault Finding" using the Vehicle Diagnosis, Testing & Information SystemVAS5051.
Repairs on antenna wires, refer to ANTENNA WIRES, REPAIRING .
Repair to CAN bus lines, refer to CAN BUS WIRE, 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.