2004 BUICK REGAL light

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Page 122 of 354

BUICK REGAL 2004  Owners Manual Use the WINDSHIELD/FLOOR mode to clear the
windows of fog or moisture and warm the passengers.
Use the defrost mode to remove fog or frost from the
windshield more quickly. For best results, clear all

Page 124 of 354

BUICK REGAL 2004  Owners Manual 8. Remove the passenger
compartment air �lter
by pulling up on its tab.
9. Install a new passenger compartment air �lter. For
the type of �lter to use seeNormal Maintenance
Replacement Parts on page 6

Page 127 of 354

BUICK REGAL 2004  Owners Manual Tachometer
If the vehicle has a
tachometer, it displays the
engine speed in
thousands of revolutions
per minute (rpm).
Notice:If you operate the engine with the
tachometer in the shaded warning area,

Page 128 of 354

BUICK REGAL 2004  Owners Manual Air Bag Readiness Light
There is an air bag readiness light on the instrument
panel, which shows the air bag symbol. The system
checks the air bag’s electrical system for malfunctions.
The system ch

Page 129 of 354

BUICK REGAL 2004  Owners Manual Charging System Light
The charging system light
will come on brie�y when
the ignition is turned
on, as a check to show
that it is working. Then it
should go out.
If it stays on, or comes on while the

Page 130 of 354

BUICK REGAL 2004  Owners Manual When the ignition is on, the brake system warning light
will also come on when the parking brake is set.
The light will stay on if the parking brake does not
release fully. If it stays on after the pa

Page 131 of 354

BUICK REGAL 2004  Owners Manual Traction Control System (TCS)
Warning Light
If the vehicle has a
Traction Control System
(TCS), the traction
control system warning
light may come on for the
following reasons:
When the system is tur

Page 132 of 354

BUICK REGAL 2004  Owners Manual The low traction light also comes on brie�y when the
ignition key is turned to RUN. If the light does not come
on then, have it �xed so it will function properly and
indicate when the traction control