Airbag System Messages; Safety Belt Messages - GMC 2015 Sierra Denali Owner's Manual

TRACTION CONTROL OFF
This message displays when the
traction control has been turned off.
See Traction Control/Electronic
Stability Control on page 9-49.
TRACTION CONTROL ON
This message displays when the
traction control is active. See
Traction Control/Electronic Stability
Control on page 9-49.
STABILITRAK OFF
This message displays when the
StabiliTrak system has been turned
off. Adjust your driving accordingly.
To limit wheel spin and realize the
full benefits of the stability
enhancement system, you should
normally leave StabiliTrak on. See
Traction Control/Electronic Stability
Control on page 9-49.
STABILITRAK OFF may also
display when the stability control
has been automatically disabled.
The following conditions can cause
this message to appear:
The system is overheating,
which could occur if StabiliTrak
activates continuously for an
extended period of time.
The brake system warning light
is on. See Brake System
Warning Light on page 5-21.
The stability system takes longer
than usual to complete its
diagnostic checks due to driving
conditions.
An engine or vehicle-related
problem has been detected and
the vehicle needs service. See
your dealer.
The transfer case is in
Four-Wheel Drive Low.
The message turns off as soon as
the conditions that caused the
message to be displayed are no
longer present.
Instruments and Controls

Airbag System Messages

SERVICE AIRBAG
This message displays if there is a
problem with the airbag system.
Take the vehicle to your dealer for
service.

Safety Belt Messages

SHIFTER LOCKED. BUCKLE
SEATBELT
This message displays if the vehicle
is equipped with the Safety Belt
Assurance System and the driver
and front outboard passenger,
if present, safety belts are not
buckled. The vehicle will not shift
out of P (Park). Buckle the safety
belt(s) to unlock the shift lever.
This system may not allow the
vehicle to shift out of P (Park) if an
object - such as a briefcase,
handbag, grocery bag, laptop,
or other electronic device - is on the
front outboard passenger seat.
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