Porsche Cayman Owner's Manual page 267

Removing the battery
The required tool is in the tool kit.
The battery is located in the front luggage compart-
ment under a black plastic lid.
Warning!
Risk of damage to alternator and electronic
control units.
Do not disconnect battery while the engine is
running. This also applies to cars equipped
with a battery main switch.
Never drive the car with a disconnected
battery.
Warning!
Risk of caustic burns from escaping acid.
Keep vent caps on to avoid spillage.
Do not tilt the battery when removing and
installing it.
1. Switch off engine and all electrical loads.
2. Open turn-locks A. Remove plastic lid.
3. Pull off vent hose C.
Danger!
Risk of short circuit and explosion, resulting in
serious personal injury or death.
Important: disconnect the negative (-) ground
wire first, and then the positive (+) cable.
4. Important: disconnect the negative (-) ground
wire first, and then the positive (+) cable -
danger of short circuit!
5. Unscrew fastening screw B.
6. Remove battery.
Installing the battery
1. Put battery in and push it all the way to the
stop.
2. Screw in fastening screw B.
Practical Tips, Emergency Service
265