Your vehicle may be equipped with a TPIS.
The TPIS uses wireless technology with wheel rim mounted electronic sensors to transmit tire pressure levels. Sensors mounted to each wheel as part of the valve stem transmit tire pressure readings to the receiver module.
It is particularly important for you to check the tire pressure in all of the tires on your vehicle monthly and to maintain the proper pressure.
The TPIS consists of the following components:
Receiver module
Four TPMS sensors (Single Rear Wheel (SRW) applications)
Six TPMS sensors (Dual Rear Wheel (DRW) applications)
Pressure display in the instrument cluster
The TPIS will display all four (Single Rear Wheel (SRW) applications) or six (Dual Rear Wheel (DRW) applications) tire pressure values in the instrument cluster display.
If a system fault is detected, the instrument cluster will display a "SERVICE TPM SYSTEM" message for a minimum of five seconds and then display dashes (- -) in place of the pressure value to indicate which sensor is not being received.
If the ignition switch is cycled, this sequence will repeat, providing the system fault still exists. If the system fault no longer exists, the "SERVICE TPM SYSTEM" message will no longer be displayed, and a pressure value will display in place of the dashes. A system fault can occur due to any of the following:
Signal interference due to electronic devices or driving next to facilities emitting the same radio frequencies as the TPMS sensors.
Installing aftermarket window tinting that contains materials that may block radio wave signals.
Accumulation of snow or ice around the wheels or wheel housings.
Using tire chains on the vehicle.
Using wheels/tires not equipped with TPMS sensors.