Buick Regal 2018-2026 Owners Manual / In Brief
Buick Regal: In Brief
- Instrument Panel
- Initial Drive Information
- Stop/Start System
- Door Locks
- Liftgate
- Seat Adjustment
- Memory Features
- Seat Belts
- Mirror Adjustment
- Interior Lighting
- Exterior Lighting
- Windshield Wiper/Washer
- Climate Controls
- Vehicle Features
- Performance and Maintenance
READ NEXT:
Instrument Panel
Instrument Panel Overview
Air Vents
Turn and Lane-Change Signals
Instrument Cluster
Driver Information Center (DIC)
Display
Windshield Wiper/Washer
Hazard Warning Flashers
Light Sensor
In
Stop/Start System
The vehicle may be equipped with a
fuel saving Stop/Start system to
shut off the engine and help
conserve fuel.
When the brakes are applied and
the vehicle is at a complete stop,
the engine may turn
SEE MORE:
DTC P0556, P0557, or P0558
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
Brake Booster Vacuum Assist Description and Operation
System Component Description
B19B - B19B Brake Booster Vacuum Sensor
K17 - K17 Electronic Brake Control Module
M9 - M9 Brake Booster Pump Motor
The brake booster vacuum assist system consists of the following:
Brake Booster Auxiliary Vacuum Pump (electric or mechanical)
The brake booster vacuum pu
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