vehicle battery needs to be replaced, have the replacement part fitted by qualified professionals. Volkswagen recommends
contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility. Check with qualified professionals to
find out the component information regarding size and the required maintenance, performance, and safety features. They
must possess the necessary technical documentation and equipment. Volkswagen recommends contacting an authorized
Volkswagen dealer or authorized Volkswagen Service Facility. The vent opening on the 12 V vehicle battery must always be
located on the negative terminal side. The vent opening on the positive terminal side must always be sealed ⇒
.
Only use a maintenance-free 12 V vehicle battery that conforms to the TL 825 06 and VW 7 50 73 standards. These
standards must be from October 2014 or later.
Always have the 12 V vehicle battery replaced by qualified professionals because the vehicle electronics must be adapted as
part of the replacement. Only qualified professionals have the necessary equipment to perform the adaptation and have
access to the correct replacement batteries.
Disconnecting the 12 V vehicle battery
If the 12 V vehicle battery must be disconnected from the vehicle electrical system, note the following:
1. Switch off all electrical consumers.
2. Unlock the vehicle before disconnecting the battery. Otherwise, the anti-theft alarm system will be triggered.
3. Disconnect the negative cable first, and then the positive cable ⇒
.
Connecting the 12 V vehicle battery
If the 12 V vehicle battery must be connected to the vehicle electrical system, note the following:
1. Switch off all electrical consumers.
2. Connect the positive cable first, and then the negative cable ⇒
.
Various indicator lights may turn on after connecting the 12 V vehicle battery and switching the ignition on. They will turn off
after driving a short distance at a speed of approx. 15 to 20 km/h (approx. 10 to 12 mph). If the indicator lights light up and
remain on, contact an authorized Volkswagen dealer or authorized Volkswagen Service Facility and have the vehicle
checked. Volkswagen recommends contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility.
If the 12 V vehicle battery was disconnected for a long period of time, the next scheduled maintenance may not display
correctly or it may not be calculated correctly ⇒ Service interval display. Follow the maximum permissible maintenance
interval ⇒ Maintenance.
Vehicles with a starter button: If the ignition cannot be switched on after connecting the 12 V vehicle battery, carry out the
following activities:
1. Lock and unlock the vehicle from the outside.
2. Try to switch the ignition on again.
3. If the ignition will not switch on, see an authorized Volkswagen dealer or authorized Volkswagen Service Facility for
assistance.
Automatic equipment deactivation
If the ignition is switched on for a very long time when the engine is off or the parking light is switched on when parking for a
very long time, the intelligent power management cannot always prevent the 12 V vehicle battery from being drained.
If the 12 V vehicle battery is under a heavy load, the intelligent power management will automatically begin certain measures
to prevent the 12 V vehicle battery from draining.
The idle speed will be increased so that the alternator delivers more power.
If necessary, equipment that uses a lot of power will have its performance limited or will be switched off.
The power supply to the 12 V socket will be interrupted temporarily when the engine is started.
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