GMC Yukon 2007 Owner's Manual page 523

6. Remove the valve cap from the valve cap stem.
Activate the TPMS sensor by increasing or
decreasing the tire's air pressure for five
seconds, or until a horn chirp sounds. The horn
chirp, which make take up to 30 seconds to
sound, confirms that the sensor identification
code has been matched to this tire and wheel
position. To decrease air-pressure out of a tire
you can use the pointed end of the valve cap, a
pencil-style air pressure gage, or a key.
7. Proceed to the passenger's side front tire, and
repeat the procedure in Step 6.
8. Proceed to the passenger's side rear tire, and
repeat the procedure in Step 6.
9. Proceed to the driver's side rear tire, and
repeat the procedure in Step 6.
10. After hearing the confirming horn chirp for the
driver's side rear tire, the horn chirp will sound
two more times to signal the tire learning
mode is no longer active. Turn the ignition
switch to LOCK.
11. Set all four tires to the recommended air
pressure level as indicated on the Tire
and Loading Information label.
12. Put the valve caps back on the valve stems
The spare tire does not have a TPMS sensor. If you
replace one of the road tires with the spare, the
SERVICE TIRE MONITOR message will be
displayed on the DIC screen. This message should
go off once you re-install the road tire containing the
TPMS sensor.
Federal Communications Commission
(FCC) and Industry and Science Canada
The Tire Pressure Monitor System (TPMS)
operates on a radio frequency and complies with
Part 15 of the FCC Rules. Operation is subject
to the following two conditions:
1. This device may not cause harmful
interference.
2. This device must accept any interference
received, including interference that may
cause undesired operation.
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