Buick Regal 2018-2026 Service Manual / Accessories and Equipment / Driver Assistance Systems / Repair Instructions
Buick Regal: Repair Instructions
- Forward Range Radar Module Inspection
- Front View Camera Module Learn
- Radar Sensor Module - Long Range Learn
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Forward Range Radar Module Inspection
Inspection Procedure
1.
CONTROL MODULE DTC CHECK - Using a scan tool, perform the Vehicle DTC
Information function - Verify there are no current control module DTCs set. If
any DTC is set, refer to
Front View Camera Module Learn
Calibration (without UGN)
NOTE: Do NOT swap cameras between vehicles, it is not approved and a
VIN
mismatch will occur.
The calibration process for the front view camera system is necessary when a
f
Radar Sensor Module - Long Range Learn
NOTE: Adaptive Cruise Temporarily Unavailable service message may be
displayed if this calibration procedure has to be performed. The radar
may have become misaligned.
After replacing and programming
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Windshield Wiper and Washer Switch Replacement
Preliminary Procedures
1. Steering Column Lower Trim Cover Replacement.
2. Reposition the steering column upper trim cover as necessary.
Windshield Wiper and Washer Switch
Procedure
Disconnect the electrical connector.
Release the retaining tabs and remove the windshield wiper and
wa
DTC B257A
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.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptor
DT
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