Porsche Cayenne Turbo Driver Manual page 326

+ = Positive terminal for jump lead starting
– = Ground point for jump lead starting
4. Connect the negative lead first to the negative
terminal of the donor battery, then to the
ground point for jump lead starting (–).
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Minor Repairs
5. Run the engine of the donor vehicle at a higher
speed.
6. Start the engine.
An attempted start using jump leads should
not last more than 15 seconds. Then allow a
waiting period of at least one minute.
7. Disconnect the negative lead from the ground
point for jump lead starting (–) first, then from
the negative terminal of the donor battery.
8. Disconnect the positive lead from the positive
terminal of the donor battery first, then from
the positive terminal for jump lead starting (+).
9. Close the cap of the positive terminal for jump-
lead starting (+).
Charging the battery
Your Porsche partner will be pleased to advise you
about a suitable charger.
1. Always observe the instructions of the charger
manufacturer.
2. When charging the battery, ensure adequate
ventilation.
3. Check the acid level in the case of low-mainte-
nance batteries.
4. Connect charger to the jump lead starting
points.
Only plug into the mains and switch the
charger on when it has been correctly
connected up.
5. After charging, disconnect the charger.
6. Check the acid level in the case of low-mainte-
nance batteries.