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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Harsh Garage Shift
"N" to "D"
ATF Level/Condition
TCM
Shift Cable Adjustment
Valve Body
"N" to "R"
ATF Level/Condition
TCM
Shift Cable Adjustment
Valve Body
ERRATIC SHIFT
Erratic Shifting
Output Speed Sensor (NOUT)
TCM
SLIPS IN DRIVE OR NO DRIVE
No Move or Slip in "D"
ATF Level/Condition
TCM
Shift
No Global Positioning System (GPS) Reception (without IO5/IO6)
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.
Refer to Diagnostic Procedure Instructions for an overview of each
diagnostic category.
DTC Descripto
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