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 Suspension 4 Corner Air Leveling Position Sensor Replacement (CNQ)
Removal Procedure
1. Remove the rear tire and wheel assembly.
2. Separate the rear suspension 4 corner air leveling position sensor harness
clip from the underbody
rear side rail.
3. Electrical Connector@Rear Suspension 4 Corner Air Leveling Position Sensor -
Disconnect.
4.
Link Rod (1)@Ball
DTC P0729-P0735, P076F, or P07D9
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy Based
Diagnosis
An overview of each diagnostic category can be found here: Refer to
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