Buick Regal 2018-2025 Owners Manual / Driving and Operating / Trailer Towing
Buick Regal: Trailer Towing
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General Towing Information
General Towing Information
(Hatchback Models)
The vehicle is neither designed nor
intended to tow a trailer.
General Towing Information
(Station Wagon Models)
Only use towing equipment that has
been d
Towing with a Stability Control
System
When towing, the stability control
system might be heard. The system
reacts to vehicle movement caused
by the trailer, which mainly occurs
during cornering. This is normal
when towing heavier trailers
Trailer Towing
Caution:
Towing a trailer improperly can
damage the vehicle and result in
costly repairs not covered by the
vehicle warranty. To tow a trailer
correctly, follow the directions in
this section and see
SEE MORE:
DTC B3935
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
Repair Instructions
Ambient Air Temperature Calculation Reset (with Ambient Air
Temperature Sensor Wired to ECM)
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagnostic
System Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy Based
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