Buick Regal 2018-2026 Owners Manual / Lighting
Buick Regal: Lighting
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Exterior Lamp Controls
The exterior lamp control is on the
instrument panel to the left of the
steering column.
There are four positions.
: Turns the exterior lamps off and
deactivates the AUTO mode. Turn
to again to r
Automatic Headlamp
System
When the exterior lamp control is
set to AUTO and it is dark enough
outside, the headlamps come on
automatically.
There is a light sensor on top of the
instrument panel. Do not cover the
sensor; othe
SEE MORE:
Rear Wheel Drive Shaft Replacement - Left Side
Special Tools
DT-45859 Axle Remover
Equivalent regional tools: Special Tools
Removal Procedure
1. Raise and support the vehicle.
2. Remove the left rear tire and wheel assembly.
3. With the aid of an assistant holding the brake pedal down, use a breaker bar
and the proper size socket to
loosen
DTC B1019
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.
DTC Descriptor
DT
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