Chevrolet 2008 Silverado 1500 Pickup Owner's Manual page 251

SERVICE TRAILER BRAKE SYSTEM
On vehicles with the Integrated Trailer Brake Control
(ITBC) system, this message displays and a chime
sounds when there is a problem with the ITBC system.
When this message displays, power is no longer
available to the trailer brakes.
As soon as it is safe to do so, carefully pull your vehicle
over to the side of the road and turn the ignition off.
Check the wiring connection to the trailer and turn
the ignition back on. If this message still displays,
either your vehicle or the trailer needs service.
See your dealer/retailer.
See "Integrated Trailer Brake Control System" under
Towing a Trailer on page 4-55 for more information.
STABILITRAK OFF
If your vehicle has StabiliTrak
when you turn off StabiliTrak
control has been automatically disabled. To limit
wheel spin and realize the full benefits of the stability
enhancement system, you should normally leave
®
StabiliTrak on. However, you should turn StabiliTrak
off if your vehicle gets stuck in sand, mud, ice, or
snow and you want to rock your vehicle to attempt to
free it, or if you are driving in extreme off-road conditions
®
, this message displays
®
, or when the stability
and require more wheel spin. See If Your Vehicle is
Stuck in Sand, Mud, Ice, or Snow on page 4-34.
To turn the StabiliTrak
®
StabiliTrak System on page 4-6.
There are several conditions that can cause this
message to appear.
•
One condition is overheating, which could occur if
®
StabiliTrak
period of time.
•
The message also displays if the brake system
warning light is on. See Brake System Warning
Light on page 3-46.
•
The message could display if the stability system
takes longer than usual to complete its diagnostic
checks due to driving conditions.
•
The message displays if an engine or vehicle
related problem has been detected and the vehicle
needs service. See your dealer/retailer.
•
The message also displays if the vehicle is shifted
into 4LO.
The message turns off as soon as the conditions that
®
caused the message to be displayed are no longer
present.
®
system on or off, see
activates continuously for an extended
3-73