Operation Manual

Self-help, vehicle care 169
z Never expose the battery to naked
flam es or sparks.
z A discharged battery can freeze at
temperatures of 0 °C. Defrost the ba ttery
in a warm room before connecting the
ju m p l ea d s .
z Do not a llow battery fluid to contact
eye s, skin, fabrics or painted surfaces .
The fluid conta ins s u lp hu r ic ac id wh ich
can cause injuries and damage in the
event of direct contact.
z Wear eye protection and protective
clothing when handling a battery.
z Use auxiliary battery with same voltage
(12 volts). Its capacity (Ah) must not be
consid erably less than that of the
discharged battery. Voltag e and
capa city inform ation c an be found on
the batteries.
z Use jump leads with insulated terminals
and a w id th of at least 16 mm
2
(25 mm
2
for diesel engines).
z Do not disconnect the discharged
battery from the vehicle.
z Switch off all unnecessary electrical
consumers. Infotainment system may be
dam aged if switched on while jump
starting.
z Do not lean over the battery during jump
starting procedure.
z Do not allow the terminals of one lead to
touch those of the other lead.
z The vehicles should not touch w hile jump
starting.
z Apply hand brake.
z Manual transmission in neutral,
automatic transmission 3 in P.
Connect the leads in the order shown in the
illustration:
1. Connect one end of the first jump lead to
the positive terminal 1 of the ba ttery
providing the jump start (identified by
“+” sign on battery case or terminal).
2. Connect the other end of the first jump
lead to the positive terminal 2 of the
discharged ba ttery (“+” sign).
3. Connect on e end of the second jump
lead to the neg ative terminal 3 of the
battery providing the jump start
(id entified by "-" sign on battery case or
terminal).
4. Connect the other end of the second
jum p lead 4 to ground on the vehicle with
the discharged battery, e.g. on the
engine bloc k.