2005 PORSCHE BOXSTER change key battery

Controls, Instruments
17
Keys fPlease observe the chapter “CENTRAL LO-
CKING IN CARS WITH ALARM SYSTEM” on
Page 21.
Two main keys and one spare key are supplied
with your Porsche.
These keys operate all the locks on your vehicle.
fBe careful with your car keys: do not part with
them except under exceptional circumstances.
fTo avoid battery run-down, always remove the
ignition key from the ignition lock.
Replacement keys Replacement car keys can be obtained only from
your authorized Porsche dealer, and this can so-
metimes be very time-consuming.
You should therefore always keep the spare key on
your person.
Keep it in a safe place (e.g. wallet), but under no
circumstances in or on the vehicle.
The key codes of new keys have to be “reported”
to the car control unit by your authorized Porsche
dealer.
The key grip of the spare key can be exchanged
for a main-key grip.
Disabling key codes
If a key is lost, the key codes can be disabled by
an authorized Porsche dealer.
All the remaining car keys are required for this pur-
pose.
Disabling the code ensures that the car can be
started only using authorized keys.
Note
fPlease note that the other locks can still be
opened with the disabled key.
Immobilizer There is a transponder (an electronic component)
in the key grip, containing a stored code.
When the ignition is switched on, the ignition lock
checks the code.
The immobilizer can be deactivated and the engi-
ne started only using an authorized ignition key.
Switching off the immobilizer
fInsert the ignition key into the ignition lock.
If the ignition is left on for more than 2 minutes
without starting the engine, the immobilizer is re-
activated.
fIf this happens, turn the ignition key back to the
3 position before starting the engine.
Please observe the chapter “IGNITION/STAR-
TER SWITCH WITH ANTI-THEFT STEERING
LOCK” on Page 68.
Switching off the immobilizer
fRemove ignition key.Security Wheel Bolts fIf wheels have to be removed during a work-
shop visit, do not forget to hand over the so-
cket for the security wheel bolts along with the
car key.

Controls, Instruments
71
Stopping engine fTurn key back to position 3.
fDo not stop engine immediately after hard or
extended driving.
Keep engine running at increased idle for
about two minutes to prevent excessive heat
build-up before turning off engine.
fTo avoid battery run-down, always remove the
ignition key from the ignition lock.
fMake sure that when you leave the car, even
briefly, you have withdrawn the ignition key.
fEngage the steering lock by moving the stee-
ring wheel to the left or right.
Turn the steering wheel to the locking position
before you switch off the engine so that you
don’t have to exert yourself when locking or un-
locking the steering.
Warning!
Danger of injury. Hot engine compartment
components can burn skin on contact.
fBefore working on any part in the engine com-
partment, turn the engine off and let it cool down sufficiently.
Engine-compartment blower,
radiator fan The radiator and radiator fans are in the front of
the car.
The engine-compartment blower is mounted in the
engine compartment.
Warning!
Risk of injury.
After the engine is switched off, the engine-
compartment temperatures is monitored for
approx. 30 minutes.
During this period, and depending on tempe-
rature, the engine-compartment blower may
continue to run or start to run.
fCarry out work in these areas only with the en-
gine off and exercise extreme caution.
Risk of injury. The radiator fans in the front
end of the car may be operating or
unexpectedly start operating when the
engine is switched on.
fCarry out work in these areas only with the en-gine switched off.
Automatic garage door The ignition system in your Porsche may interfere
with your electronically operated garage door.
fTo check this, drive your Porsche close to the
garage door. Make sure not to interfere with
the operating range of the door.
fRun the engine at different speeds.
If the garage door opens or closes without you
operating the garage door unit in your car, contact
the dealer who installed the automatic garage
door to have the frequency and/or coding of the
garage door signal changed or modified.

108
Controls, InstrumentsIf the ignition key is withdrawn and the door is
opened while the lights (not the parking light or
Welcome Home lighting) are on, a chime warns of
possible battery discharge.
In some countries, differences are possible
due to provisions of law.
Note on operation
Further individual light functions (e.g. daytime driv-
ing lights) are available in vehicles with the Sport
Chrono package.
Please observe the chapter “Individual Memory” in
the separate PCM operating instructions.
Welcome Home LightingSwitching onfMove light switch to the HOME position.
For improved visibility and security when you get
in and out of the car, the fog lights and the tail
lights remain on for a certain period of time:
–When you get out of the car, the lights are
turned on for approx. 30 seconds after the
door is opened. The off-delay time resumes
when the vehicle is locked.
On vehicles with the Sport Chrono package,
the PCM can be used to set the off-delay time.
This setting also changes the lighting period
for unlocking the vehicle.
Please observe the chapter “Individual
Memory” in the separate PCM operating
instructions.
The lights are turned on for approx. 30 seconds
when the vehicle is unlocked.
The lights go out if the ignition is switched on or
when leaving the Welcome Home lighting
If the ignition key is withdrawn and the door is ope-
ned while the lights (not the parking light left/right)
are on, a gong warns of possible battery dis-
charge.
In some countries, differences are possible
due to provisions of law.
Light SwitchLights switched off
Welcome Home Function
Parking lights, side marker lights,
license plate light, instrument illumination
Low beam, high beam
Only with ignition on
Fog lights in addition to parking lights or
low beam:
Pull switch to first click.
Indicator light on.
The fog lights will go out automatically
when the high beams are switched on.
Rear fog light in addition to the fog
lights:
Pull switch to second click.
Indicator light on.

226
Practical Tips, Emergency Service
Electrical System In order to avoid damage and faults in electrical or
electronic systems, electrical accessories should
be installed at your authorized Porsche dealer.
fOnly use accessories authorized by Porsche.
Warning!
Risk of short circuit and fire.
Replacing fuses or relays with the engine
running or the ignition on could cause elec-
trical shock.
fDisconnected the battery during all work on
the electrical system.
Please observe the chapter “BATTERY” on Page 229.
Relays Defective relays should be 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 sys-
tem ceases to function. Overload protection If the central locking system is operated more
than ten times within a minute, further operation is
blocked for 30 seconds.
Load switch-off after 2 hours or 7 daysIf the ignition key is removed, loads which are
switched on or are in standby mode (such as the
luggage compartment light, interior light and
radio) are automatically switched off after approx.
2hours.
If the vehicle is not started or unlocked with the
remote control within 7days, the remote control
standby function is switched off (to save the
vehicle battery).
1. In this case, unlock the driver's door with the
key at the door lock.
Leave the door closed in order to prevent the
alarm system from being triggered.
2. Press button 1 on the remote control.
The remote control is now activated again.

Practical Tips, Emergency Service
235
Replacing the remote-control batteryThe battery should be changed when the range of
the radio remote control becomes smaller or
when the light-emitting diode no longer flashes
when the remote control is operated.1. Using your finger nail or a small screwdriver,
carefully lift off the cover of the key grip (ar-
row).
2. Replace battery (observe polarity).
Replacement battery – Lithium CR 2032,
3volts
3. Replace cover and press together firmly.
Please observe the disposal instructions for
batteries.