Buick 2005 LaCrosse User Manual download pdf (Page 142)

Rear Window Defogger

The rear window defogger uses a warming grid to

remove fog or frost from the rear window. The rear

window defogger will only work when the engine

is running.

= (Rear Window Defogger): Press this button to

turn the rear window defogger on and off. Be sure

to clear as much snow from the rear window as possible.

The rear window defogger will turn off approximately

20 minutes after the button is pressed. If turned on

again, the defogger will only run for approximately

20 minutes before turning off. The defogger can also be

turned off by pressing the button again or by turning

off the engine.

Do not drive the vehicle until all the windows are clear.

Notice: Using a razor blade or sharp object to

clear the inside rear window may damage the rear

window defogger. Repairs would not be covered

by your warranty. Do not clear the inside of the rear

window with sharp objects.

Outlet Adjustment

Use the thumbwheels located between the center

outlets to open and close the outlets. Move the lever in

the center of each air outlet to adjust the direction of

the airﬂow.

Operation Tips

• Clear away any ice, snow or leaves from the air

inlets at the base of the windshield that may

block the ﬂow of air into the vehicle.

• Use of non-GM approved hood deﬂectors may

adversely affect the performance of the system.

• Keep the path under the front seats clear of

objects to help circulate the air inside of the

vehicle more effectively.

• If the vehicle has a passenger compartment air ﬁlter

and the airﬂow seems low when the fan is at the

highest setting it may need to be replaced. For more

information, see Passenger Compartment Air

Filter on page 3-28.

Passenger Compartment Air Filter

The passenger compartment air ﬁlter is located in

the engine compartment below the air inlet grille, near

the passenger’s side windshield wiper arm. See

Engine Compartment Overview on page 5-12.

The ﬁlter traps most of the pollen from the air entering

the air conditioning module. Like the engine’s air cleaner

ﬁlter, it may need to be changed periodically. For

information on how often to change the passenger

compartment air ﬁlter, see Scheduled Maintenance on

page 6-4.

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Buick 2005 LaCrosse User Manual Page 142

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