Buick Regal 2018-2026 Service Manual / Accessories and Equipment / Cruise Control System / Repair Instructions
Buick Regal: Repair Instructions
CRUISE CONTROL SWITCH REPLACEMENT
Removal Procedure
1. Steering Wheel Airbag - Remove.
2.
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Cruise Control Switch Bolt (1) - Remove.
3.
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Using a flat bladed plastic trim tool remove the cruise control switch (1).
4. Disconnect the electrical connector.
Installation Procedure
1.
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Cruise Control Switch(1) - Install.
2. Connect the electrical connector.
3.
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CAUTION: Fastener Caution.
Cruise Control Switch Bolt (1) - Install and tighten1.5 N.m (13 lb in).
4. Steering Wheel Airbag - Install.
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Description and Operation
CRUISE CONTROL DESCRIPTION AND OPERATION (WITHOUT ADAPTIVE CRUISE
CONTROL)
DD - Serial Data - GMLAN High Speed
K20 - K20 Engine Control Module
S70L - S70L Steering Wheel Controls Switch - Left
P16 -
Displays and Gauges
SPECIFICATIONS
FASTENER SPECIFICATIONS
Reusable Threaded Fastener Tightening Specifications
NOTE:
All fasteners listed in this table can be reused after removal.
SCHEMATIC AND WIRING DIAGRAMS
INSTRUM
Diagnostic Information and Procedures
DISPLAYS AND GAUGES COMPONENT REPLACEMENT REFERENCE
SEE MORE:
DTC B25F8 or B25F9
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 Descriptors
D
Transmission Fluid Cooler Flow Test and Flushing (AF50-8)
Special Tools
DT - 45096 TransFlow Cooler Flush Machine
DT - 45096 - 30 TransFlow Adapter
For equivalent regional tools, refer to Special Tools.
GM studies indicate that plugged or restricted transmission oil coolers and
pipes cause insufficient
transmission lubrication and elevated operating
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