2003 Chevrolet Avalanche Owner's Manual - Page 192
2003 Chevrolet Avalanche Manual
Page 192 highlights
This light will come on The air bag readiness light should flash for a few when you start seconds your when you turn the ignition key to RUN. If the vehicle, and it will flash for light doesn't come on then, have it fixed so it will problem. a seconds. few Then be ready warn you if there is a to the light should go out. This means the system is Passenger Air Bag Status Indicator ready. If the air bag readiness light stays on after you start the vehicle or comes when on you are driving, air your bag system may not work properly. Have your vehicle serviced righ' YIf your vehicle has the passenger sensing system your rearview mirror will have a passenger air bag status indicator. c If the air bag readiness light stays on after you start your vehicle, it means the air bag system may not be working properly.The air bags in your vehicle may not inflate in a crash, or they could even inflate without a crash.To help avoid injury to yourself or others, have your vehicle serviced right away if the air bag readiness light stays on after you start your vehicle. Passenger Air Bag Status Indicator- United States ! , : Passenger Air Bag Status Indicator - Canada 3-33