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Replacing the battery in the key
The battery in the key needs to be replaced when it has become discharged.
Overloading the starter battery
High power consumption without the car being able to charge the starter battery leads to low battery level and some electric functions being reduced or switched off. If the battery level decreases to below a certain limit, it is not possible to start the car without jump starting or charging with an external charger.
Using jump starting with another battery
If the starter battery is discharged then the car can be started with current from another battery.
Batteries and power supply
The car's own power supply is connected to several different batteries and components. These make it possible to use the car's electrical functions.
Recycling the batteries
Used batteries must be recycled in an environmentally sound manner.
Symbols on the batteries
There are information and warning symbols on the batteries.
The starter battery powers the car's primary electrical system, which includes the electrical equipment and starting the engine. If the car is the mild hybrid* type, the support battery is used instead to start the internal combustion engine.
The car is equipped with a support battery that helps during the start/stop function's starting sequence.