Read and follow the introductory information and
safety information first⇒
Introduction
to the subject
| Lights up | Possible cause | Proper response |
|---|---|---|
|
Alternator malfunction. | See an authorized Volkswagen dealer or an authorized
Volkswagen Service Facility. Have the electrical system checked. Switch off unnecessary electrical loads. The vehicle battery will not be charged by the alternator as you drive. |
When the ignition is switched on, several warning and indicator lights come on briefly for a function check. They go out after a few seconds.

Warning

Note
Introduction to the subject
Checking the vehicle battery electrolyte levelVolkswagen Tiguan Service and Repair Manual > Battery, Charging: Battery Charger -VAS5900-
Battery Charger -VAS5900- Device Description
WARNING
Risk of injury. Follow all Warnings and Safety Precautions.
WARNINGBatteries that have a light yellow visual indicator do not have to
be tested or charged. Jump starting must not be used!There is a risk of
explosion during testing, charging or j ...