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Slow battery charging
1. Pay attention to all warnings and follow
instructions that come with your battery
charger.
2. When charging, ensure adequate ventilation.
3. Remove battery.
Please observe the chapter ”REMOVING THE
BATTERY” on page 265.
4. All vent caps should be open. The fluid level
should meet the indicator mark in each cell.
5. Ensure that charger is switched off - danger of
short circuit!
6. Connect charger ca bles. Charger cables
must be connected POSI TIV (+) to POSITIV
(+) and NEGATIVE (-) to N EGATIVE (-).
7. Switch on charger. Normally a battery should
be charged at no m ore than 10 percent of its
rated capacity. Rated capacity of the battery in
your vehicle is listed on the battery housing.
8. After charging, turn off charger and disconnect
charger cables.
9. Tighten the vent caps and reinstall battery.
Please obse rve the chapter ”INSTALLING THE
BATTERY” on page 265.
Winter o peration
The capacity and ability of the battery to store
power decreases at low o utside temperatures.
Additionally, more pow er is consumed while
starting, and the headlights, heat er, rear window
defogger, etc., are use d more frequently.
Let your Porsche dealer test the battery’s
capacity before win ter sets in.
The battery will discharge more quickly if your
vehicle is not driven on a daily basis over a distance
of several miles. The more ofte n you drive your
vehicle, and the longer the distance driven each
trip, the more opportunity the vehicle’s charging
system will have to recharge the battery.
Replacing the battery
The service life of the battery is subject to normal
wear; it depends greatly on care, climatic condi-
tions and driving conditi ons (distances, loads).
Only use an original Porsche battery with the
correct part number, as a replacement.
Please observe the disposal instructions for
batteries.
Puttin g vehicle int o operation
After the battery is connected or after a com-
pletely discharged battery is charged, the mul-
tifunctional PSM light lights up on the instrum ent
panel and a message appears on the on-board
computer to indicate a fault.
This fault can be remedie d with a few simple steps:
1. Start the engine.
2. With the vehicle stationary, perform a few
steering movements to the left and right and
then drive a short distance in a straight line
until the multifunctinal PSM light goes out
and the message on the on-board computer
disappears.
3. If the warnings do not disappear, then: Drive
carefully to the nearest authorized Porsche
dealer. Have the fault remed ied.
4. After the warnings disappear: Stop the vehicle
in a s uitable place.
5. Per f orm adaption of the power windows:
Please obser ve the chapter ”STORING END
POSITION OF THE WINDOWS” on page 35.
Ignition key/ignition lock
Do not insert the ignition key into the ignition
lock if the vehicle battery is discharged. The
ignition key can no longer be removed .
The key cannot be remove d until the vehicle
electrical system is supplied with power again.
Please observe the chapter ”EMERGENCY
UNLOCKING OF THE FRONT LUGGAGE
COMPARTMENT LID” on page 260.
Please observe the chapter ”EMERGENCY
STARTING WITH JUMPER CABLES” on page
267.
264Practical Tips, Emergency Service
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