Porsche 92854 Owner's Manual page 91

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Emergency starting with
jumper cables
WARNING
• Improper use of booster battery to start
a vehicle may cause an explosion.
• Lead-acid batteries generate explosive
gases. Keep sparks, flames and lighted
cigarettes away from batteries.
• Do not charge a frozen battery, thaw it
out first. Gas trapped in the ice may
cause an explosion.
• No attempt should be made to jump start
any vehicle with a low electrolyte level
in the battery.
• Check electrolyte level of each cell. If
n e c e s s a r y , fill with distilled w a t e r to just
above plates.
• Make sure the voltage of both batteries
is the same.
• The capacity (Ah) of the booster battery
should not be lower than that of the dis-
charged battery.
• Vehicle with discharged battery: turn
off lights and accessories, remove key,
move lever to N or P and set parking
brake.
• Vehicle with booster battery should not
be running. Disconnect ground cable.
88
• Remove vent caps from booster battery
and discharged battery. Preferably lay a
cloth over open vents to reduce explo-
sion hazard.
How to use jumper cables
WARNING
• To avoid serious personal injury and
damage to the vehicle, heed all warnings
and instructions of the jumper cable
manufacturer.
• Only jumper cables of adequate diame-
ter cross-section and fitted with insula-
ted crocodile clips should be used.
• The jumper cables must be long enough
so that neither vehicles nor cables touch
another.
Improper hook-up of jumper cables can
ruin the alternator.
Always connect POSITIVE (+) to POSITIVE
(+), and NEGATIVE (-) to NEGATIVE (-).
1. C o n n e c t clamp of plus-cable to positive (+)
terminal of discharged battery.
2. Connect clamp on opposite end of cable to
positive (+) terminal of booster battery.
3. Connect clamp of minus-cable to negative
(-) terminal of booster battery.
4. Connect clamp on opposite end of cable
to a bare metal part of car with discharged
battery. Connect clamp as far away from
battery as possible.
5. Start engine in the usual manner. If engine
fails to start, do not continue to crank but
contact nearest workshop.
6. With engine running, remove jumper cables
from both cars in exact reverse order: Steps
4 through 1.
7. Reconnect ground cable of booster battery.
A - Discharged Battery
B - Booster Battery
Do not try to start car by pushing or towing.
Damage to the catalytic converter, the
transmission, and/or o t h e r c o m p o n e n t s o f
the car may result.

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