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
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Transmission Identification Information
For automatic transmission AF50, the identification plate is on the top of
the transmission housing.
Aisin Warner transmission type
Fabrication line 1 = 000001 - 500000 Fabrication line 2 = 500001 -
999999
Transmission type (AF50)
Model code
GM parts number
Production serial number
16 = Y
Fuel System Diagnosis
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.
Circuit/System De
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