2010 Chevrolet Silverado 1500 Regular Cab Owner's Manual - Page 250

Airbag Readiness Light The system checks the airbag's electrical system for possible malfunctions. If the light stays on it indicates there is an electrical problem. The system check includes the airbag sensor, the pretensioners, the airbag modules, the wiring and the crash sensing and diagnostic module. For more information on the airbag system, see Airbag System on page 2‑73. The airbag readiness light comes on solid for a few seconds when the engine is started. If the light does not come on then, have it fixed immediately. If there is a problem with the airbag system, an airbag Driver Information Center (DIC) message can also come on. See DIC Warnings and Messages on page 4‑63 for more information. Airbag Off Light If the vehicle has an airbag on-off switch, it also has a passenger airbag status indicator located in the overhead console. United States Canada { WARNING: If the airbag readiness light stays on after the vehicle is started or comes on while driving, it means the airbag system might not be working properly. The airbags in the vehicle might not inflate in a crash, or they could even inflate without a crash. To help avoid injury, have the vehicle serviced right away. 4-32 When the vehicle is started, the passenger airbag status indicator will light ON and OFF, or the symbol for on and off, will light for several seconds as a system check. Then, after several more seconds, the status indicator ON or OFF, or either the on or off symbol, will light to let you know the status of the right front passenger frontal airbag.