Chevrolet Silverado: Seat Belt Reminders / Passenger Seat Belt Reminder Light
There may be a passenger seat belt reminder light near the passenger airbag status
indicator. See Passenger Sensing System.

For vehicles equipped with the passenger seat belt reminder light, when the vehicle
is started this light flashes and a chime may come on to remind passengers to fasten
their seat belt. Then the light stays on solid until the belt is buckled. This cycle
continues several times if the passenger remains or becomes unbuckled while the
vehicle is moving.
If the passenger seat belt is buckled, neither the chime nor the light comes
on.
The front passenger seat belt reminder light and chime may turn on if an object
is put on the seat such as a briefcase, handbag, grocery bag, laptop, or other electronic
device. To turn off the reminder light and/or chime, remove the object from the
seat or buckle the seat belt.
There is a driver seat belt reminder light on the instrument cluster.
When the vehicle is started, this light flashes and a chime may come on to remind
the driver to fasten their seat belt...
This light shows if there is an electrical problem with the airbag system. The
system check includes the airbag sensor(s), the passenger sensing system, the pretensioners,
the airbag modules, the wiring, and the crash sensing and diagnostic module...
Other information:
This vehicle is equipped with an event data recorder (EDR). The main purpose
of an EDR is to record, in certain crash or near crash-like situations, such as
an air bag deployment or hitting a road obstacle, data that will assist in understanding
how a vehicle’s systems performed...
Battery Power Protection
This feature shuts off the dome and reading lamps, if they are left on for more
than 10 minutes after the ignition is turned off. The cargo lamp shuts off after
20 minutes. This prevents the battery from running down.
Exterior Lighting Battery Saver
The exterior lamps turn off about 10 minutes after the ignition is turned off,
if the parking lamps or headlamps have been manually left on...