
Fig. 21 Vehicle key: opening the battery case cover

Fig. 22 Vehicle key: removing the battery
First read and observe the introductory information
and safety warnings
Volkswagen recommends having the battery changed at a Volkswagen dealership or by a qualified workshop.
The battery is located on the rear side of the vehicle key underneath a cover.
Changing the battery

NOTICE
Dispose of discharged batteries in accordance with regulations governing the protection of the environment.
The battery in the vehicle key may contain perchlorate. Please comply with any legal requirements and regulations when handling and disposing of these batteries.
Indicator lamp in the vehicle key
Synchronising the vehicle keyWorking on Airbag System
WARNING
When working on the airbag system (pyrotechnic
components, Airbag Control Module -J234-, wiring), the
ground cable must be disconnected with the ignition
switched on.
...
CAN Bus Wires, Repairing
Unshielded two-strand wiring -1-
and -2- with a cross section of
0.35 mm2 or 0.5 mm2
can be used as CAN bus wiring.
The color coding of CAN bus wires can be found in the
following table:
...
Indicator lamp for the tyre monitoring system
First read and observe the introductory information
and safety warnings
Lit up
Possible cause
Solution
The
tyre pressure of one tyre or several tyres has decreased considerably in
comparison to the tyre pressure set by ...