GMC 2010 Sierra 1500 Crew Cab Owner's Manual page 280

If your vehicle has the Tire Pressure Monitor System
(TPMS), the pressure for each tire can be viewed in the
DIC. The tire pressure will be shown in either pounds
per square inch (psi) or kilopascals (kPa). Press the
vehicle information button until the DIC displays FRONT
TIRES PSI (kPa) LEFT ## RIGHT ##. Press the vehicle
information button again until the DIC displays REAR
TIRES PSI (kPa) LEFT ## RIGHT ##.
If a low tire pressure condition is detected by the
system while driving, a message advising you to add
pressure in a specific tire will appear in the display. See
information.
If the tire pressure display shows dashes instead of a
value, there may be a problem with your vehicle. If this
consistently occurs, see your dealer for service.
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On vehicles with the Integrated Trailer Brake Control
(ITBC) system, the trailer brake display appears in the
DIC. Press the vehicle information button until TRAILER
GAIN and OUTPUT display.
TRAILER GAIN shows the trailer gain setting. This
setting can be adjusted from 0.0 to 10.0 with either a
trailer connected or disconnected. To adjust this setting,
see Integrated Trailer Brake Control System under
OUTPUT shows the power output to the trailer anytime
a trailer with electric brakes is connected. Output is
and
displayed in 0 to 10 bars. Dashes may appear in the
for more
OUTPUT display. See Integrated Trailer Brake Control
System under
information.
for more information.
for more