Buick 2006 Lucerne User Manual download pdf (Page 149)

See “Rear Window Defogger” later in this section for

information on clearing the rear window of fog or ice.

Turn the right knob to select the defog or defrost mode.

-(Defog): This mode directs half of the air to the

windshield and the side window outlets and half to the

ﬂoor outlets. When you select this mode, the system

turns recirculation off and runs the air conditioning

compressor unless the outside temperature is near or

below freezing. Pressing the recirculation button

will have no effect other than turning on the indicator

light while in defog mode.

0(Defrost): This mode directs most of the air to the

windshield and the side window outlets. When you select

this mode, the system turns recirculation off. Pressing the

recirculation button will have no effect other than turning

on the indicator light while in defrost mode.

Rear Window Defogger

The rear window defogger uses a warming grid to

remove fog from the rear window.

<(Rear Window Defogger): Press this button to turn

the rear window defogger on or off. An indicator light

below the button will come on to let you know that the

rear window defogger is activated. Be sure to clear

as much snow from the rear window as possible.

The rear window defogger will only work when the

ignition is in run. The rear window defogger will stay on

for approximately 20 minutes after the button is

pressed if you are traveling at slower vehicle speeds.

At higher vehicle speeds, the rear defogger may stay on

continuously. If turned on again, the defogger will only

run for approximately 10 minutes before turning off.

The defogger can be turned off by pressing the button

again, by turning the ignition to B (ACCESSORY) or

C (RUN), or by turning off the engine.

If your vehicle has heated outside rearview mirrors,

the mirrors will heat to help clear fog or frost from the

surface of the mirror when the rear window defogger

is on. See Outside Automatic Dimming Heated

Mirror on page 2-37 for more information.

Notice: Do not use anything sharp on the inside

of the rear window. If you do, you could cut or

damage the warming grid, and the repairs would

not be covered by your warranty. Do not attach

a temporary vehicle license, tape, a decal or

anything similar to the defogger grid.

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2006 - Buick Lucerne Owner Manual

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Buick 2006 Lucerne User Manual Page 149

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