Buick Regal 2018-2025 Service Manual / Brakes / Park Brake
Buick Regal: Park Brake
SPECIFICATIONS
FASTENER SPECIFICATIONS
Single Use Non-Threaded Fasteners/Components
NOTE: All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal.
Application
Rear Parking Brake Actuator Seal
Reusable Threaded Fastener Tightening Specifications
NOTE: All fasteners listed in this table can be reused after removal.
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SCHEMATIC AND WIRING DIAGRAMS
PARK BRAKE SYSTEM WIRING SCHEMATICS
Electric Park Brake
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DTC Descripto
Sunroof
If equipped, the sunroof only
operates when the ignition is on or
in ACC/ACCESSORY, or when
Retained Accessory Power (RAP) is
active.
Sunroof Switch
The vehicle may have one of two
different switch configurations.
Open/Close (Manual Mode) :
Press (1) or
(1) to the first
detent to open the sunr
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