Brake System Messages; Door Ajar Messages; Engine Oil Messages; Service Vehicle Messages - GMC Sierra Hybrid 2011 Owner's Manual

5-12 Instruments and Controls
Battery Voltage and
Charging Messages
SERVICE BATTERY
CHARGING SYSTEM
If the 12V battery system faults or
fails this message will appear on the
DIC. The battery/charging system
light will appear in the instrument
panel cluster. See Battery Warning
Light in the owner manual. Driving
with this message on could drain
the battery. Have the electrical
system checked as soon as
possible.

Brake System Messages

SERVICE BRAKE SYSTEM
This message will be displayed if
there is a problem with the brake
system. You will still be able to
brake, but it will be noticeably more
difficult. Pull off the road to a safe
location and have your vehicle
towed to the nearest dealer for
service. See Brakes, Brake
System Warning Light, and ABS
Brake System Warning Light in the
owner manual.

Door Ajar Messages

HOOD OPEN
If the hood is not fully closed or
there is a problem with the hood
switch, this message will be
displayed. Close the hood to clear
the message. If the HOOD OPEN
message continues to be displayed
after verifying the hood is closed,
you should have the hood switch
serviced. Failure to service the hood
switch properly can result in an Auto
Start condition.
Auto Stops will be disabled when
this message is displayed. If the
vehicle is in auto stop mode when
this message appears, the engine
will instantly start.

Engine Oil Messages

OIL PRESSURE LOW STOP
ENGINE
If engine oil pressure is low, this
message will be displayed on the
DIC. Stop the vehicle as soon as
safely possible and do not operate
it until the cause of the low oil
pressure has been corrected. Check
your oil level as soon as possible
and have your vehicle serviced. See
Engine Oil in the owner manual.

Service Vehicle Messages

SERVICE HYBRID SYSTEM
If this message is displayed on the
DIC, the vehicle may continue to
operate, but you need to have it
serviced as soon as possible.
SERVICE POWER STEERING
This message displays if a problem
has been detected with the electric
power steering. Have your vehicle
serviced by your dealer immediately.