Buick Regal 2018-2025 Service Manual / Accessories and Equipment / Lighting / Description and Operation
Buick Regal: Description and Operation
- Exterior Lighting Systems Description and Operation
- Interior Lighting Systems Description and Operation
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Exterior Lighting Systems Description and Operation
Exterior Lamps
The exterior lighting system consist of the following lamps:
Adaptive forward lighting
Automatic headlamp leveling
Automatic high beam assist
Backup lamps
Daytime running lamps
E
Interior Lighting Systems Description and Operation
Interior Lamps
The interior lighting system consist of two groups. This first group includes
lamps that may not be
dimmed.
Dome lamps
Instrument panel compartment lamp
Reading lamps
Rear compart
SEE MORE:
DTC B3415 or B3425
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 Descriptors
D
Range Selector Lever Cable Replacement
Removal Procedure
1. Battery Tray - Remove - Refer to Battery Tray Replacement.
2.
Range Selector Lever Cable (4) @Range Selector Lever Cable Lever (3) -
Remove.
3. Range Selector Lever Cable@Transmission Range Selector Lever Cable Bracket
(2) - Remove.
Push (arrows) the 2 latches of the retai
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