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The electrical system is single-pole and uses the chassis and engine casing as a conductor.
Battery - symbols
There are information and warning symbols on the batteries.
Starter battery - replacement
The starter battery should be replaced by an authorised workshop.
Starter battery - general
The starter battery is used to drive the starter motor and other electrical equipment in the car.
Battery - Start/Stop
Cars with Start/Stop function, in addition to the starter battery, are equipped with a support battery.