First read and observe the introductory information
and safety warnings
Volkswagen recommends the use of genuine Volkswagen spray with lubricating and anti-corrosive properties to de-ice the lock cylinders.

NOTICE
Care of rubber seals
UndersealBattery Charger -VAS5900- Maintenance Charging
Note
If the battery is discharged by an electrical consumer
during maintenance charging, the Battery Charger -VAS5900-
automatically supplies the appropriate charge.
Maintenance charging can be performed without time ...
Taper
Taper is caused by slightly offsetting the tread and/or the
belt by a few tenths of a millimeter from the geometric center
of the tire. Taper cannot be recognized visually nor can it be
measured with workshop equipment.
...
Checking the electrolyte level of the vehicle battery
Fig. 141 In the engine compartment: removing
the vehicle battery cover
First read and observe the introductory information
and safety warningsThe electrolyte level of the vehicle battery should be
checked regularly in high-mileage vehicles, in hot countries and in older vehicle
batteries. ...