Dispose of the 12-volt vehicle battery in accordance with the regulations. 12-volt vehicle
batteries may contain toxic substances such as sulphuric acid and lead.
Electrolyte can pollute the environment. Clean up any service fluid leakages and dispose of
them properly.
Troubleshooting
First read and observe the introductoryinformation and safety warnings
⇒
Introduction
12-volt vehicle battery
Fault in the alternator. Go to a qualified workshop. Have the electrical system checked. Switch
off any electrical consumers that are not required. The 12-volt vehicle battery will not be charged by
the alternator while the vehicle is in motion. The start/stop system cannot start the engine.
⇒
Start/stop system
Wheels and tyres
Tyre monitoring systems
Introduction
This chapter contains information on the followingsubjects:
⇒
Types of tyre monitoring systems
⇒
Tyre Pressure Loss Indicator
⇒
Tyre Pressure Monitoring System
⇒
Troubleshooting for the Tyre Pressure Loss Indicator
⇒
Troubleshooting for the Tyre Pressure Monitoring System
The tyre monitoring system warns the
driver when the tyre pressures get too
low.
Incorrectly securing the battery and using incorrect 12-volt vehicle batteries can cause
short circuits, fire and serious injuries.
• Always use maintenance-free and leak-proof 12-volt vehicle batteries that have the
same properties, specifications and dimensions as the factory-fitted 12-volt vehicle
battery.
• In vehicles with the 12-volt vehicle battery in the luggage compartment, ensure that the
breather hose is connected properly to the 12-volt vehicle battery. Make sure that no
open gas discharge openings are located in the area around the positive battery
terminal. If there is an open breather opening in this area, it must be closed off with a
sealing plug. The breather hose must be connected to the open breather opening in the
area of the negative terminal.
WARNING
A highly explosive mixture of gases is given off when the 12-volt vehicle battery is being
charged.
• 12-volt vehicle batteries should only be charged in well-ventilated spaces.
• Never charge a 12-volt vehicle battery that is frozen or that has thawed. Discharged 12-
volt vehicle batteries can already freeze at temperatures of around 0°C (+32°F).
• The 12-volt vehicle battery must be replaced if it has ever been frozen.
• Incorrectly connected cables can cause a short circuit. First connect the positive cable
and then the negative cable.
WARNING
• Never connect or disconnect 12-volt vehicle batteries if the ignition is switched on or
the engine is running. Never use a 12-volt vehicle battery that does not correspond with
the vehicle's specifications. This can damage the electrical system or electronic
components, which can cause electrical faults.
• Never connect equipment that supplies electric power, such as solar panels or a
battery charger, to the 12-volt socket or to the cigarette lighter to charge the 12-volt
vehicle battery. This can damage the vehicle electrical system.
NOTICE
