Porsche 928 S 1986 Driver Manual page 11

Replacing the Button Battery
for Key Light
1. Carefully lift the cover in the key head with
a fingernail or a small screwdriver, and re-
move the old battery.
2. Insert the new 1.5 or 1.4 Volt battery with
the plus (+) side up.
3. Press the cover back into the key head.
S-Key Application Positions
Door Locks
Steering/Starter
Ignition Switch
Luggage
Compartment
Door Lock
Tank Filler Cap
Glove
Compartment
Alarm system
If your car is equipped with an alarm system
you will have received two S-keys instead of
the normal master keys. The alarm system
can be activated only with the S-key by lock-
ing the doors or closing the luggage compart-
ment door and turning the key to the left. If the
doors are locked with the auxiliary key then
the door will be mechanically locked but there
Switching alarm system on and off.
Locking and unlocking the doors.
Lockable.
Switching alarm system on and off.
Opening luggage compartment door.
Lockable.
Lockable.
is no contact to activate the alarm. The alarm
system is switched off automatically when a
door or the luggage compartment is opened
with the S-key. If the luggage compartment
door is opened while the alarm system is
switched on, the key must be turned to the left
to reactivate the alarm system. If the driver's
or passenger side door, engine compartment
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