Operation Manual

243Self-help, vehicle care
Starting the engine with jump leads 3
A vehicle with a discharged battery can be
started using jump leads and the battery of
another vehicle.
z Never expose the battery to naked
flames or sparks.
z A discharged battery can freeze at
temperatures of 0 °C. Defrost the frozen
battery in a warm room before
connecting jump leads.
z Do not allow battery fluid to come into
contact with eyes, skin, fabrics or
painted surfaces. The fluid contains
sulphuric acid which 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
considerably less than that of the
discharged battery. Voltage and
capacity information can be found on
the batteries.
z Use jump leads with insulated terminals
and a cross section 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.
z Do not lean over the battery during jump
starting.
z Do not allow the terminals of one lead to
touch those of the other lead.
z The vehicles must not come into contact
with each other during the jump starting
process.
z Apply handbrake. Manual transmission
or Easytronic 3 in neutral, automatic
transmission 3 in P.
9 Warning
Be extremely careful when starting with
jump leads. Any deviation from the
following instructions can lead to injuries
or damage caused by battery explosion
or damage to the electrical systems of
both vehicles.