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6. Remove the valve cap from the valve 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 may take up to 30 seconds,
confirms that the sensor identification code has
been matched to this tire position. To decrease
the tire’s air-pressure 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 double horn
chirp, for the left rear tire, exit the matching
process by turning the ignition switch to OFF.
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 TPMS will not function properly, if one or
more of the TPMS sensors are missing or
inoperable. If your vehicle has a compact spare
tire, the spare tire and wheel assembly does
not contain a TPMS sensor. If you replace one of
the road tires with the spare, or if the system
detects a missing or inoperable sensor, the
Service Tire Monitor System message will be
displayed on the DIC. If you have replaced a tire
and wheel assembly without transferring the
TPMS sensors, the error message will be
displayed. Once you re-install the TPMS sensors,
the message should go off. See your GM
dealer for service if all TPMS sensors are installed
and the error message comes on and stays on.
Have your vehicle serviced as soon as possible.
If your vehicle has a message center and the
system detects a missing or inoperable sensor an
error message of several dashes–––will be
shown on the message center display. If you have
replaced a tire and wheel assembly without
transferring the TPMS sensors, the error message
will be displayed. Once you re-install the TPMS
sensors, the error message should go off.
See your GM dealer for service if all TPMS
sensors are installed and the error message
comes on and stays on.
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