Buick Regal: Lighting
- Description and Operation
- Diagnostic Information and Procedures
- Repair Instructions
- Schematic Wiring Diagrams
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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
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Brake Assist System Description and Operation
System Component Description
The brake assist system consists of the following:
Brake Pedal
Receives, multiplies and transfers brake system input force from driver.
Brake Pedal Pushrod
Transfers multiplied input force received from brake pedal to brake booster.
Vacuum Brake Booster
Uses source vacuu
DTC B123E
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagnostic
System Check - Vehicle
Review the description of Strategy Based Diagnosis: Strategy Based
Diagnosis
An overview of each diagnostic category can be found here: Diagnostic
Proced
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