Buick Regal Owners & Service Manuals
Buick Regal 2018-2026 Service Manual / Accessories and Equipment

Buick Regal: Accessories and Equipment

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 Active Noise Cancellation

SCHEMATIC AND WIRING DIAGRAMS ACTIVE NOISE CANCELLATION WIRING SCHEMATICS Active Noise Cancellation (UQ3) Active Noise Cancellation (UQA) Diagnostic Information and Procedures DTC B0560 Diagnostic

 Cellular, Entertainment, and Navigation

 Description and Operation

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 Differential Clutch Oil Inspection

1. Raise and support the vehicle. 2. Clean the area around the rear axle fill plug. 3. Place a drain pan under the vehicle. 4. Differential Clutch Cover Plug(1) - Remove. 5. Rear Axle Housing Filler Plug Gasket(2) - Remove. 6. Check the fluid level. If necessary, fill the differential to the

 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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