GM Service Manuals SIR Disabling and Enabling Zone 2

Disabling Procedure
Important: Refer to SIR Disabling and Enabling Zones on page 2-81 before disabling the SIR system.
1. Turn the steering wheel until the vehicle’s wheels are pointing straight ahead.
2. Turn OFF the ignition.
3. Remove the key from the ignition.
Important: With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.