Vehicle care
269
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A discharged vehicle battery can
already freeze at a temperature
of 0 °C. Defrost the frozen vehicle
battery before connecting jump
leads.
Wear eye protection and
protective clothing when
handling a vehicle battery.
Use a booster vehicle battery
with the same voltage (12 V). Its
capacity (Ah) must not be much
less than that of the discharged
vehicle battery.
Use jump leads with insulated
terminals and a cross section of
at least 16 mm2 (25 mm2 for
diesel engines).
Do not disconnect the discharged
vehicle battery from the vehicle.
Switch off all unnecessary
electrical consumers.
Do not lean over the vehicle
battery during jump starting.
Do not allow the terminals of one
lead to touch those of the other
lead.
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The vehicles must not come into
contact with each other during
the jump starting process.
Apply the parking brake,
transmission in neutral,
automatic transmission in P.
3. Connect the black lead to the
negative terminal of the booster
vehicle battery.
4. Connect the other end of the black
lead to a vehicle grounding point
of your vehicle in the engine
compartment.
Route the leads so that they cannot
catch on rotating parts in the engine
compartment.
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To start the engine:
1. Start the engine of the vehicle
providing the jump.
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2. After five minutes, start the other
engine. Start attempts should be
made for no longer than
15 seconds at an interval of
1 minute.
3. Allow both engines to idle for
approx. 3 minutes with the leads
connected.
4. Switch on electrical consumers
(e.g. headlights, heated rear
window) of the vehicle receiving
the jump start.
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Open the positive terminal protection
caps of both vehicle batteries.
Lead connection order:
1. Connect the red lead to the
positive terminal of the booster
vehicle battery.
2. Connect the other end of the red
lead to the positive terminal of the
discharged vehicle battery.
5. Reverse above sequence exactly
when removing leads.
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