Delayed Headlamps - Chevrolet 2002 Malibu Owner's Manual

The ALC system may also be on when driving through
a parking garage, heavy overcast weather or a tunnel.
This is normal.
There is a delay in the transition between the daytime
and nighttime operation of the DRL and the ALC
systems so that driving under bridges or bright overhead
street lights does not affect the system. The DRL and
ALC systems will only be affected when the light sensor
sees a change in lighting lasting longer than this delay.
To idle your vehicle with the ALC system off, set the
park brake while the ignition is off. Then start the
vehicle. The ALC system will stay off until you release
the park brake.
As with any vehicle, you should turn on the regular
headlamps when you need them.
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Headlamps Dim to Park
This feature works when the ignition is on and it is
dark outside. To turn the headlamps off when it is dark
outside, turn the exterior lamps control to the parking
lamp position. In this position, the parking lamps,
sidemarker lamps, taillamps, license plate lamps and
instrument panel lights will be on, but the headlamps
will be off.
To turn on the headlamps along with the other lamps
when it is dark outside, turn the exterior lamps control
to the AUTO or headlamp position.

Delayed Headlamps

The delayed headlamps feature will continue to
illuminate the headlamps for 20 seconds after the
key is turned to OFF at night. Then the headlamps
will automatically turn off.
To override the 20 second delayed headlamp feature
while it is active turn the switch at the end of the turn
signal/multifunction lever up one position and then
back to AUTO.