Buick Regal 2018-2026 Service Manual / Accessories and Equipment / Cellular, Entertainment, and Navigation
Buick Regal: Cellular, Entertainment, and Navigation
- Description and Operation
- Diagnostic Information and Procedures
- Repair Instructions
- Schematic Wiring Diagrams
- Special Tools and Equipment
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OnStar Description and Operation (UE1 with IOB/IO6)
This OnStar system consists of the following components:
Telematics communication interface control module
OnStar three button assembly
Microphone
Cellular antenna
Navigation antenna
Blueto
OnStar Description and Operation (UI3)
The Emergency Road Assistance Global Navigation Satellite System (ERA GLONASS)
consists of the
following components:
Telematics communication interface control module
Telematics two button assembl
SEE MORE:
DTC C056D
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
Diagnosis
An overview of each diagnostic category can be found here:Diagnostic
Procedure
Hydraulic Brake System Bleeding (Manual)
WARNING: Refer to Brake Fluid Irritant Warning.
CAUTION: Refer to Brake Fluid Effects on Paint and Electrical
Components Caution.
1. Place a clean shop cloth beneath the brake master cylinder to prevent
brake fluid spills.
2. With the ignition OFF and the brakes cool, apply the brakes 3 - 5 times
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