Dodge 2007 LX Magnum Owner's Manual page 260

260 STARTING AND OPERATING
NOTE: You can change the pressure units to display in
PSI, kPA, or BAR. Refer to "Language," under "Personal
Settings (Customer Programmable Features)," under
"Electronic Vehicle Information Center (EVIC)" in Sec-
tion 4 of this manual for details.
If the ignition key is cycled, this sequence will repeat,
providing the system fault still exists. If the system fault
no longer exists, the Tire Pressure Monitoring Telltale
Light will no longer flash, and the CHECK TPM SYS-
TEM message will no longer display, and a pressure
value will display in place of the dashes.
NOTE: The compact spare tire (if so equipped) does not
have a tire pressure monitoring sensor. Therefore, the
TPMS will not monitor the pressure in the compact spare
tire. However, if you install the compact spare tire in
place of a road tire that has a pressure below the
low-pressure warning limit, the Tire Pressure Monitoring
Telltale Light will remain ON and a chime will still sound
each ignition key cycle. In addition, the EVIC will still
display a low-pressure message and a flashing pressure
value in the graphic display. Once you repair or replace
the original road tire, and reinstall it on the vehicle in
place of the compact spare, the TPMS will update auto-
matically. In addition, the Tire Pressure Monitoring Tell-
tale Light will turn OFF, and the graphic in the EVIC will
stop flashing and display a new pressure value, as long
no tire pressure is below the low-pressure warning limit
in any of the four active road tires. The vehicle may need
to be driven for up to 10 minutes above 15 mph (25
km/h) in order for the TPMS to receive this information.