Buick Regal 2018-2025 Service Manual / HVAC & Restraints / Seat Belts / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
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DTC B0072 or B0073
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.
Diag
DTC B0075-B0077
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.
Diag
Symptoms - Seat Belts
NOTE: Review the seat belt system description and operation in order to
familiarize yourself with the system and how it functions.
Visual/Physical Inspection
Inspect for aftermarket devices which co
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Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the transmitter
leaves the vehicle.
The immobilization system is
disarmed when ENGINE START/
STOP is pressed and a valid
transmitter is in th
Brakes
Disc brake pads have built-in wear
indicators that make a high-pitched
warning sound when the brake pads
are worn and new pads are needed.
The sound can come and go or can
be heard all the time when the
vehicle is moving, except when
applying the brake pedal firmly.
Warning:
The brake wear warning
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