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Battery-12 Volt
The battery is located underneath the collaps-
ible spare tire in the luggage compartment.
The battery is accessible after taking out the
spare tire.
A replacement battery should always have the
same rating as the original equipment battery.
Specifications are printed on the battery hous-
ing.
Before work is done on the electrical sys-
tem, the battery must be disconnected to
prevent short circuiting. First disconnect
the negative ground wire at body (arrow)
and then the positive cable. To reconnect
battery, reverse the procedure.
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Disconnecting the battery while the engine
is running will damage the alternator. This
also applies to cars equipped with a bat-
tery main switch.
Never drive the car with a disconnected
battery as this will damage the alternator.
WARNING
• Do not lay tools or other metal objects
on the battery as they could cause a
short circuit across the battery terminals.
• Do not expose the battery to an open
flame or electric spark. Hydrogen gas
generated by the battery is explosive.
• Do not let battery acid come in contact
with skin, eyes, fabric or painted sur-
faces.
• If you get electrolyte, which is an acid,
in your eyes or on skin, immediately
rinse with cold water several minutes
and call a doctor.
• Spilled electrolyte must be rinsed off at
once with a solution of water and baking
soda to neutralize the acid and prevent
damage to fabric and metal.
Checking the electrolyte fluid level
The electrolyte fluid level in your battery can
be checked by unscrewing and opening the
filler vent caps of each cell. The fluid level
should meet the indicator mark in each cell. If
necessary, top up with distilled water.
How often water must be added depends on
operating conditions and on the time of year.
Generally, the electrolyte level must be checked
more often in the summer than in the winter,
and more often when driving long distances.
Only top up to mark, otherwise the electrolyte
will overflow when the battery is being charg-
ed and cause damage.
Battery care
• Battery should be securely mounted.
• Terminals and connections should be kept
clean and properly tightened. Corrosion
can be prevented by coating terminals and
connections with petroleum jelly or silicone
spray.
• Vent caps must be securely tightened to
prevent spillage.
Winter operation
During the winter months, battery capacity
tends to decrease as temperatures drop. Ad-
ditionally, more power is consumed while start-
ing, and the headlights, heater, rear window
defogger, etc., are used more frequently.
Curtail unnecessary power consumption, par-
ticularly in city traffic or when travelling short
distances only. Let your Porsche dealer test
the battery's capacity before winter sets in.
A well charged battery will not only prevent
starting problems but will also live longer.
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