Read and follow the introductory information and
safety information first⇒
Introduction
to the subject
The vehicle underbody is coated to help protect it from corrosion and damage. The undercoating could be damaged during normal use. We therefore recommend that you have the protective coatings on the underbody and suspension inspected regularly, and repaired if necessary.

Warning
Cleaning the power sunroof
Cleaning the engine compartmentVolkswagen Tiguan Service and Repair Manual > Communication: Sound System Amplifier
General Information
Note
Before troubleshooting or servicing, the technicians must be familiar
with the function and operation of the radio and radio navigation system.
Refer to the Owner's Manual.
Use the Vehicle Diagnostic Tester"Guided Fault Finding" function and
→ Wiring diagrams, ...