Fog Lamps; Exterior Cargo Lamps - Chevrolet 2008 Avalanche Owner's Manual

If the vehicle is started in a dark garage, the automatic
headlamp system will come on immediately. Once the
vehicle leaves the garage, it takes approximately one
minute for the automatic headlamp system to change to
DRL if it is light outside. During that delay, the instrument
panel cluster may not be as bright as usual. Make sure
the instrument panel brightness control is in the full bright
position. See Instrument Panel Brightness on page 3-18.

Fog Lamps

If your vehicle has fog lamps you can use them for
better vision in foggy or misty conditions. Your parking
lamps and/or low-beam headlamps must be on for
your fog lamps to work.
The fog lamp button is located on the left side of your
instrument panel.
- (Fog Lamps): Press the button to turn the fog
lamps on. An indicator light will glow near the button
when the fog lamps are on. Press the button again
to turn them off.
Remember, fog lamps alone will not give off as much
light as your headlamps. Never use your fog lamps
in the dark without turning on the headlamps.
The fog lamps will go off whenever your high-beam
headlamps come on. When the high beams go off,
the fog lamps will come on again.
The fog lamps will be cancelled after the ignition is
turned off. If you still want to use the fog lamps after
you restart the vehicle, you will need to press the
fog lamp button again.
Some localities have laws that require the headlamps to
be on along with the fog lamps.

Exterior Cargo Lamps

You can use the cargo lamp if you need more light in
the cargo area of your vehicle or in the top-box storage
units. Some vehicles will only have a cargo lamp in
the driver side top box.
The cargo lamps come on by turning on the interior
dome lamps.
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