Pontiac 2003 Montana Owner's Manual page 194

Delayed Lighting Exit Lighting
The delayed lighting feature will continue to illuminate
the interior for 25 seconds after all doors have been
closed so that you can find your ignition and buckle your
safety belt at night. Delayed lighting will not occur
while the ignition is in RUN or ACCESSORY. After
25 seconds have passed, the interior lamps will slowly
fade out. The lamps will fade out before the 25 seconds
have passed if you:
Turn the ignition to RUN or ACCESSORY,
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lock all doors using the remote keyless entry
transmitter, or
lock all the doors using the power door lock switch
or the key.
To turn the delayed lighting feature off or on, see
Vehicle Personalization on page 2-60.
With exit lighting, the interior lamps will come on for
about 25 seconds whenever you remove the key from
the ignition. If you turn the ignition key to RUN or
ACCESSORY, the lamps will fade out. The lamps will
also fade out if you lock the doors with the power
door lock switch or the remote keyless entry transmitter.
When any door is opened, exit lighting is cancelled.
The interior lamps will stay on while any door or
the liftgate is open, and slowly fade out when all doors
and the liftgate are closed.
The interior lamps may stay on for up to 25 seconds
after all doors have been closed if they have not been
locked. See "Delayed Lighting" earlier in this section.
To turn the exit lighting feature off or on, see Vehicle
Personalization on page 2-60.
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