The TPMS on your Town and Country is the tire pressure monitoring system. The Chrysler Town and Country uses a TPMS to make sure that your tires are not under or over inflated. When your tires are not properly inflated, the TPMS light on the dash will illuminate. When this happens, you'll need to reset the light by adjusting the pressure in the tire.
Unscrew the valve stem caps on your Town and Country tires.
Attach the air nozzle fitting to the end of the air compressor hose using the quick connect valve lock on the hose.
Push the tire pressure gauge over the valve stem and check the tire pressure.
Read the "MAX PSI" notation on the sidewall of the tire. The pressure must not exceed this number.
Fill the tire with air, or deflate the tire by pressing on the valve with your fingernail until the correct tire pressure has been reached. Once the correct tire pressure has been reached, check the TPMS light on the dash. It should go out. If it does not, your system may be malfunctioning and you will need to take it to a Chrysler dealership for service.