Buick Regal 2018-2025 Owners Manual / OnStar / OnStar Additional Information
Buick Regal: OnStar Additional Information
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OnStar Smart Driver
OnStar Smart Driver provides
information about driving behavior to
help maximize overall vehicle
performance, reduce wear and tear,
and enhance fuel efficiency. An
Insurance Discounts Eligibility
feat
Global Positioning
System (GPS)
Obstruction of the GPS can
occur in a large city with tall
buildings; in parking garages;
around airports; in tunnels and
underpasses; or in an area with
very dense trees. If GPS signals
are n
Buick Regal 2018-2025 Service Manual
The Buick Regal Service Manual is a valuable reference that provides in-depth information on servicing and repairing the Buick Regal. It covers essential areas such as the engine, transmission, suspen
SEE MORE:
DTC P0748, P0962, or P0963
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis: Refer to Strategy
Based Diagnosis
An overview of each diagnostic category can be found here: R
Power Transfer Unit Case Disassemble
Power Transfer Unit Case Holding Fixture Installation
Power Transfer Unit Case
Procedure
Always secure with the pivot pin after rotating.
NOTE:
The power transfer unit can be rotated 360 degrees to facilitate repair.
Special Tools
DT-3289-20 Holding Fixture
DT-36842 Transaxle Holding
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