Disabling & Activating Sir System: Notes
WARNING: This page is about a different car, the 1997 Oldsmobile Bravada, 1997 GMC Sonoma, 1997 GMC Jimmy, 1997 Chevrolet S10 Pickup, and 1997 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Wait about 2 minutes after disabling air bag system. The SDM maintains system voltage for about 2 minutes after battery is disconnected. Servicing air bag system before 2 minutes may cause accidental air bag deployment, possibly causing personal injury.
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. Record customer radio stations, as memory will be lost. Code equipped radios may also lock. Obtain code from customer. See COMPUTER RELEARN PROCEDURES in GENERAL INFORMATION before disconnecting battery.