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GMC 2015i Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
8431499) - 2015 - CRC - 6/20/14
5-42
Instruments and Controls
or appears repeatedly, take the
vehicle to your dealer for service.
See
Steering on page 9-4
.
SERVICE POWER STEERING
This message displays when there
is a problem with electric power
steering. Take the vehicle to your
dealer for service. See
Steering on
page 9-4
.
Tire Messages
SERVICE TIRE MONITOR
SYSTEM
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays if a part on the
system is not working properly. The
tire pressure light also flashes and
then remains on during the same
ignition cycle. See
Tire Pressure
Light on page 5-27
. Several
conditions may cause this message
to appear. See
Tire Pressure
Monitor Operation on page 10-64
.
If the warning comes on and stays
on, there may be a problem with the
TPMS. See your dealer.
TIRE LEARNING ACTIVE
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays when the system
is relearning the tire positions on
your vehicle. The tire positions must
be relearned after rotating the tires
or after replacing a tire or sensor.
See
Tire Inspection on page 10-68
,
Tire Rotation on page 10-68
,
Tire
Pressure Monitor System on
page 10-63
, and
Tire Pressure on
page 10-62
.
TIRE PRESSURE LOW ADD
AIR TO TIRE
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays when the
pressure in one or more of the
vehicle's tires is low. This message
also displays with a vehicle picture
to indicate the location of the low
tire. The low tire pressure warning
light will also come on. See
Tire
Pressure Light on page 5-27
. You
can receive more than one tire
pressure message at a time. If a tire
pressure message appears on the
DIC, stop as soon as you can. Have
the tire pressures checked and set
to those shown on the Tire and
Loading Information label. See
Tires
on page 10-53
,
Vehicle Load Limits
on page 9-15
, and
Tire Pressure on
page 10-62
. The DIC also shows
the tire pressure values. See
Driver
Information Center (DIC) (Base
Level) on page 5-29
or
Driver
Information Center (DIC) (Uplevel)
on page 5-31
.