NOTICE
The 12-volt vehicle battery can freeze and be destroyed as a result.
● Protect the 12-volt vehicle battery against frost if the vehicle is left standing for extended periods.
System settings after battery replacement
System settings may have been changed or deleted if the 12-volt vehicle battery has been replaced or after jump starting.
1. Check the date and time and adjust if necessary.
2. Check the personal convenience settings and adjust and save if necessary.
12-volt vehicle batteries may contain toxic substances such as sulphuric acid and lead. Dispose of the 12-volt vehicle battery
in a proper and environmentally responsible manner and only at a collection point for used batteries, e.g. a recycling centre
or specialist company.
Electrolyte can pollute the environment. Collect any service fluids that escape or are spilled and dispose of them in a proper
and environmentally responsible manner.
The 12-volt vehicle battery is maintenance-free.
The electrolyte level of the 12-volt vehicle battery should be checked regularly in high-mileage vehicles, in hot countries and in older
12-volt vehicle batteries.
Location of 12-volt vehicle battery
Depending on the vehicle equipment, the 12-volt vehicle battery may be located in the bonnet space or under or behind a cover in the
luggage compartment.
Preparations
1. Prepare the vehicle for working in the bonnet space.
2. Wear eye protection and protective gloves.
3. Open the bonnet.
Checking the electrolyte level on vehicles with a 12-volt vehicle battery in the bonnet space
WARNING
Battery acid is caustic. Contact with battery acid – especially if swallowed – can cause severe burns.
● Never open a 12-volt vehicle battery.
● Never tilt the 12-volt vehicle battery. Electrolyte may spill out of the gas vents.
● Protect the skin, face and especially the eyes while working with the 12-volt vehicle battery.
● Do not eat, drink or smoke when working on the 12-volt vehicle battery.
● Wash your skin with soap and water after working on the 12-volt vehicle battery.
● In case of acid contact on skin and hair, remove all soiled or soaked clothing and wash skin and hair with water. Consult a doctor.
● If acid comes into contact with the eyes, rinse the affected area gently with water for a few minutes. Then consult a doctor
immediately.
● If you have swallowed acid, swallow activated charcoal and drink plenty of water immediately. Consult a doctor immediately.
● If you have inhaled acid mist, leave the danger zone and breathe in fresh air. Consult a doctor immediately.
WARNING
A highly explosive gas mixture is produced when working on the 12-volt vehicle battery. The explosive gas emitted from the 12-volt
vehicle battery could be ignited by sparks. This can cause severe or fatal injuries.
● Always keep fire, sparks, naked flames and lit cigarettes away from the 12-volt vehicle battery.
● When handling cables and electrical equipment, avoid generating sparks and electrostatic discharge.
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