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Vehicle battery
Introduction
The vehicle battery represents a power source for the motor to start and for
the supply of electrical consumers in the car.
Depending on the engine, the vehicle battery is either in the engine compart-
ment or the luggage compartment.
Automatic consumer shutdown - Discharge protection of the vehicle
battery
The on-board power supply system tries to prevent the vehicle battery from
discharging in the following ways when it is subject to heavy loading.
▶
By increasing the engine idle speed.
▶
Through the power limitation of certain consumers.
▶
By switching off some consumers (e.g. heated seats) for as long as necessa-
ry.
Warning symbols on the vehicle battery
Symbol Meaning
Always wear eye protection!
Battery acid is severely caustic. Always wear gloves and eye pro-
tection!
Keep fire, sparks, open flames and lit cigarettes well clear of the
vehicle battery!
When charging the vehicle battery, a highly explosive gas mixture
is produced!
Keep children away from the vehicle battery!
WARNING
Battery acid is highly corrosive - it can cause injury, chemical burns or poi-
soning! Corrosive vapours in the air irritate and damage the respiratory
tract and the eyes. The following guidelines must be observed.
■
Always wear protective gloves, eye and skin protection when handling
the vehicle battery.
WARNING (Continued)
■
If your eyes or skin come into contact with the electrolytic fluid, immedi-
ately wash the affected area for a few minutes long with a lot of water.
Seek medical assistance without delay.
■
Keep the vehicle battery away from people who are not completely inde-
pendent (e.g. children).
■
Do not tilt the battery otherwise battery electrolyte may flow out of the
battery vent openings.
WARNING
Working on the car battery may cause explosion, fire, injury or chemical
burn! The following guidelines must be observed.
■
Do not smoke, use open flames or light or transmitting devices.
■
A discharged vehicle battery may freeze slightly. Never charge up a fro-
zen or thawed vehicle battery. Replace a frozen vehicle battery.
■
Never use a damaged vehicle battery.
■
Do not connect the battery terminals, bridging the two poles will cause a
short circuit.
CAUTION
Ensure that battery acid does not come into contact with the bodywork – risk
of damage to the paintwork.
Note
■
We recommend having all work on the vehicle battery carried out by a spe-
cialist garage.
■
You should replace batteries older than 5 years.
203
Inspecting and replenishing
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