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
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DTC B0997
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
appro
Arrows and Symbols, Acronyms and Units
ARROWS AND SYMBOLS
This service manual uses various symbols in order to describe different
service operations.
Front of Vehicle
View Detail
Ambient Air Mixed with Another Gas or Indicate Temperature Change
Motion or Direction
View Angle
Dimension (1:2)
Tire Pressure Indicator Sensor Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the
Vehicle.
2. Remove the tire and wheel assembly.
3. Dismount the tire from the rim.
4.
NOTE: Never fit the tire pressure indicator sensor on unapproved wheel
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