GMC 2009 Sierra - Manual (Page 200)

SERVICE AIR BAG
This message displays if there is a problem with the
airbag system. Have your dealer/retailer inspect the
system for problems. See Airbag Readiness Light on
page 3-37 and Airbag System on page 1-54 for more
information.
SERVICE BATTERY CHARGING
SYSTEM
On some vehicles, this message displays if there is a
problem with the battery charging system. Under certain
conditions, the charging system light may also turn
on in the instrument panel cluster. See Charging System
Light on page 3-40. Driving with this problem could
drain the battery. Turn off all unnecessary accessories.
Have the electrical system checked as soon as
possible. See your dealer/retailer.
SERVICE BRAKE SYSTEM
This message displays along with the brake system
warning light if there is a problem with the brake system.
See Brake System Warning Light on page 3-41. If this
message appears, stop as soon as possible and turn off
the vehicle. Restart the vehicle and check for the
message on the DIC display. If the message is still
displayed or appears again when you begin driving,
the brake system needs service as soon as possible.
See your dealer/retailer.
SERVICE BRAKES SOON
This message displays if there is a problem with the
brake system. If this message appears, stop as soon as
possible and turn off the vehicle. Restart the vehicle
and check for the message on the DIC display.
If the message is still displayed or appears again when
you begin driving, the brake system needs service.
See your dealer/retailer.
SERVICE PARK ASSIST
On vehicles with the Ultrasonic Rear Parking Assist
(URPA) system, this message displays if there is
a problem with the URPA system. Do not use this
system to help you park. See Ultrasonic Rear Parking
Assist (URPA) on page 2-43 for more information.
See your dealer/retailer for service.
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