Buick Regal 2018-2025 Service Manual / Accessories and Equipment / Cellular, Entertainment, and Navigation / Description and Operation
Buick Regal: Description and Operation
- OnStar Description and Operation (UE1 with IOB/IO6)
- OnStar Description and Operation (UI3)
- OnStar Description and Operation (UE1 without IOB/IO6)
- Radio/Audio System Description and Operation (IO6)
- Radio/Audio System Description and Operation (IOB)
- Radio/Audio System Description and Operation (IOS/IOT/IOU)
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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
OnStar Description and Operation (UE1 without IOB/IO6)
This OnStar system consists of the following components:
Telematics communication interface control module
OnStar three button assembly
Microphones
Cellular antenna
Navigation antenna
Back
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Fuel Gauge Malfunction (with F46 (AWD) )
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
Differential Carrier Bushing Replacement - Rear
Tools Required
J-45725 Cradle Bushing Replacer
For equivalent regional tool, refer to Special Tools.
Removal Procedure
1. Raise and support the vehicle.
2. Remove the rear differential assembly.
3.
Mark a reference point on the frame and old bushing at the 12 and 6 o'clock
position to use to a
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