Porsche Cayenne, Owner'S Manual

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334
Practical Tips, Minor Repairs
Electrical System
In order to avoid damage and faults in electrical or
electronic systems, electrical accessories should
be installed at your authorized Porsche dealer.
f Use only accessories authorized by Porsche.
Warning!
Risk of short circuit and fire.
Replacing fuses or relays with engine running
or the ignition on could cause electrical
shock.
f
Disconnect the battery during all work on the
electrical system.
Relays
Relays should be checked or changed only by an
authorized workshop.
Alarm system, central locking
The status of the central locking and alarm system
is not changed by disconnecting the battery.
When the battery is disconnected, the alarm
system ceases to function.
Sockets
Electrical accessories can be connected to the
12 V sockets.
Note on operation
The sockets and thus the connected electrical ac-
cessories function even if the ignition is swi tched
off or the ignition key is withdrawn.
If the engine is not running and the accessories
are switched on, the vehicle battery will be
discharged.