Transmission Messages; Tire Learning Active; Tire Low Add Air To Tire; Grade Braking Enabled - GMC 2013 Sierra Owner's Manual

5-44 Instruments and Controls
comes on and stays on, there may
be a problem with the TPMS. See
your dealer.

TIRE LEARNING ACTIVE

If the vehicle has the Tire Pressure
Monitor System (TPMS), this
message displays when the system
is re-learning the tire positions on
your vehicle. The tire positions must
be re-learned after rotating the tires
or after replacing a tire or sensor.
See
, and
for more information.

TIRE LOW ADD AIR TO TIRE

If the vehicle has 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 LEFT FRT (left front),
RIGHT FRT (right front), LEFT RR
(left rear), or RIGHT RR (right rear)
to indicate the location of the low
tire. The low tire pressure warning
light will also come on. See
can receive more than one tire
pressure message at a time. To
read the other messages that may
have been sent at the same time,
press the set/reset button or the trip
odometer reset stem. 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 Loading
,
Information label. See
, and
the tire pressure values. See
.

Transmission Messages

GRADE BRAKING DISABLED
This message displays when the
grade braking has been disabled
with the tow/haul mode button on
. You
,
. The DIC also shows
the end of the shift lever. See

GRADE BRAKING ENABLED

This message displays when the
grade braking has been enabled
with the tow/haul mode button on
the end of the shift lever. See
GRADE BRAKING ON
This message displays when the
grade braking has been activated
while driving on downhill grades.
This message will only appear the
first time the feature is activated in
an ignition cycle. See
,
,
, and
.
,
, and
.
, and
.