Porsche Cayenne 2009 Owner's Manual page 326

Connecting jumper cables
Always observe the sequence below:
1. Remove cover A.
2. Open the cap of the positive terminal for jump
starting(+).
3. Attach the positive lead first to the positive
terminal for jump starting (+), then to the posi-
tive terminal of the donor battery.
4. Connect the negative lead first to the negative
terminal of the donor battery, then to the
grounding point for jump starting (–).
326
Minor Repairs
+ = Positive terminal for jump starting
– = Grounding point for jump starting
5. Run the engine of the donor car at a higher
speed.
6. Start the engine.
An attempted start using jumper cables should
not last more than 15 seconds. Then allow a
waiting period of at least one minute.
7. Disconnect the negative jumper cable from the
ground point for jump starting (–) first, then
from the negative terminal of the donor
battery.
8. Disconnect the positive jumper cable from the
positive terminal of the donor battery first,
then from the positive terminal for jump
starting (+).
9. Close the cap of the positive terminal for jump
starting (+).