Chrysler 2007 Aspen - Manual (Page 309)

The Tire Pressure Monitoring Telltale Lamp will
illuminate in the instrument cluster, and an au-
dible chime will be activated when one or more of
the four active road tire pressures are low. The audible
chime will sound once every ignition cycle for each
condition that it detects. Should this occur, you should
stop as soon as possible, check the inflation pressure of
each tire on your vehicle, and inflate each tire to the
pressure recommended by the vehicle manufacturer. The
system will automatically update and the TPM warning
lamp will extinguish once the updated tire pressures
have been received. The vehicle may need to be driven
for up to 10 minutes above 15 mph (25 kph) to receive
this information.
A low spare tire will not cause the Tire Pressure Moni-
toring Telltale Lamp to illuminate or the chime to sound.
The Tire Pressure Monitoring Telltale Lamp will flash on
and off for 60 seconds, and an audible chime will sound
when a system fault is detected. The flash cycle will
repeat every ten minutes, without an audible chime, until
the fault condition no longer exists. If the ignition key is
cycled, this sequence will repeat, providing the system
fault still exists.
NOTE: A non-matching or compact spare wheel and
tire assembly does not have a tire pressure monitoring
sensor; therefore, it will not be monitored by the Tire
Pressure Monitor System (TPMS). If the non-matching or
compact spare tire was used in place of one of the four
road tires, a system fault will occur while driving the
vehicle. In case of a low pressure condition (ie. flat tire),
the “Tire Pressure Monitoring Telltale Light” will remain
on solid until the original road tire has been properly
repaired, and put back onto the vehicle in place of the
non-matching or compact spare tire.
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