R
Make sure that the positive terminal of aconnected battery does not come into contact with
vehicle parts.
R
Never place metal objectsortools on abattery.
R
It is important that you observe the described order of the battery terminals when connect-
ing and disconnecting abattery.
R
When jump-starting, make sure that the battery poles with identical polarity are connected.
R
It is particularly important to observe the described order when connecting and disconnect-
ing the jumper cables.
R
Never connect or disconnectthe battery terminals while the engine is running.
G
WARNING
Adischarged battery can freeze at temperatures below freezing point. When jump-starting the
vehicle or charging the battery, gases can escape from the battery. There is arisk of an explo-
sion.
Allow the frozen battery to thaw out before charging it or jump-starting.
!
Avoid repeated and lengthy startingattempts. Otherwise, the catalytic converter could be
damaged by the non-combusted fuel.
If the indicator/warninglamps do not light up at low temperatures, it is very likely that the dis-
charged battery has frozen.Inthis case, you may neither charge the battery nor jump-start the
vehicle. The service life of athawed-out battery may be shorter. The startingcharacteristics can
be impaired, particularly at low temperatures. Have the thawed-out battery checked at aquali-
fied specialist workshop.
Do not start the vehicle using arapid charging device. If your vehicle's battery is discharged, the
engine can be jump-started from another vehicle or from adonor battery using jumper cables.
Observe the following points:
R
The battery is not accessible in all vehicles. If the other vehicle's battery is not accessible,
jump-start the vehicle using adonor battery or ajump-starting device.
R
You may only jump-start the vehicle when the engine and exhaust system are cold.
R
Do not start the engine if the battery is frozen.Let the battery thaw first.
R
Only jump-start from batteries with a12Vvoltage rating.
R
Only use jumper cables which have asufficient cross-section and insulated terminal clamps.
R
If the battery is fully discharged, leave the battery that is being used to jump-start connected
for afew minutes before attempting to start. This charges the battery slightly.
R
Make sure that the two vehicles do not touch.
Make sure that:
R
The jumper cables are not damaged.
R
Bare parts of the terminal clamp do not come into contact with other metal parts while the
jumper cables are connected to the battery.
R
The jumper cables cannot come into contact with parts which can move when the engine is
running, such as the V-belt pulleyorthe fan.
X
Secure the vehicle by applying the electric parking brake.
X
Shift the transmission to position j.
X
Make sure that the ignition is switched off. All indicator lamps in the instrumentcluster must
be off. When using the SmartKey, turn the SmartKey to position u in the ignition lock and
remove it (Y page 118).
262
Jump-starting
Breakdown assistance
