Explore your manual
S90 Twin Engine
Overloading the starter battery
The electrical functions in the car load the starter battery to varying degrees. Avoid using the ignition position II when the car is switched off. Instead, use ignition position I - which uses less power.
The electrical system is single-pole and uses the chassis and engine casing as a conductor. The starter battery is used to start up the electrical system and drive electrical equipment in the car. The hybrid battery is used when the internal combustion engine is started. The starter battery should be replaced by a workshop* .
Replacing the battery in the remote control key
The battery in the remote control key needs to be replaced when it has become discharged.
Symbols on the batteries
There are information and warning symbols on the batteries.
The car is equipped with a hybrid battery for electric motor operation - a maintenance-free rechargeable Lithium-ion type battery.