OnStar Overview
EmergencyInflatable Restraint Steering Wheel Module Coil Centering
Caution: The new SIR coil assembly will be centered. Improper
alignment of the SIR coil assembly may damage the unit, causing an
inflatable restraint malfunction.
Verify the following conditions before centering the supplemental
inflatable restraint (SIR) steering wheel module co ...
Tire Changing
Removing the Spare Tire and Tools
To access the spare tire and tools:
1. Retainer Nut.
2. Tool Bag Tether.
3. Tool Bag.
4. Spare Tire.
1. Open the trunk.
2. Lift the load floor.
3. Turn the retainer nut (1) counterclockwise to remove it.
Then remove the tool bag tether (2) from th ...
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Disable the SIR System. Refer to SIR Disabling and Enabling.
Disconnect the negative battery cable. Refer to Battery Negative Cable
Disconnection and Connection.
Remove all related panels and compo ...