Buick Regal: Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear
view of the area behind your
vehicle.
If equipped with OnStar, the vehicle
may have three control buttons at
the bottom of the mirror.
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Automatic Dimming Rearview
Mirror
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The rearview mirror automatically
dims to reduce the glare of the
headlamps from behind. This
feature comes on when the vehicle
is started.
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Warning:
Never leave a child, a helpless
adult, or a pet alone in a vehicle,
especially with the windows
closed in warm or hot weather.
They can be overcome by the
extreme heat and suffer
permanent i
Sunroof
If equipped, the sunroof only
operates when the ignition is on or
in ACC/ACCESSORY, or when
Retained Accessory Power (RAP) is
active.
Sunroof Switch
The vehicle may have one of two
different
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Preliminary Procedures
1. Drain the cooling system.
2. Radiator Inlet Hose @ Water Outlet - Remove.
Thermostat Bypass Hose Clamp [2x]
Procedure
Hose Clamp Replacement Guidelines - Spring Type
Thermostat Bypass Hose
Procedure
1. Radiator Inlet Hose @ Water Outlet - Install.
2. Fill
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
Diagnostic Fault