2009 Dodge Charger Owner Manual SRT8 - Page 312

310 STARTING AND OPERATING possible, check the inflation pressure of each tire on your vehicle, and inflate each tire to the vehicle's recommended cold placard pressure value. Once the system receives the updated tire pressures, the system will automatically update and the TPM Telltale Light will turn off. The vehicle may need to be driven for up to 20 minutes above 15 mph (25 km/h) in order for the TPMS to receive this information. Check TPMS Warning If a system fault is detected, the TPM Telltale Light will flash on and off for 75 seconds and then remain on solid. The system fault will also sound a chime. If the ignition key is cycled, this sequence will repeat, providing the system fault still exists. The TPM Telltale Light will turn off when the fault condition no longer exists. A system fault can occur due to any of the following: 1. Signal interference due to electronic devices or driving next to facilities emitting the same radio frequencies as the TPM sensors. 2. Installing aftermarket window tinting that contains materials that may block radio wave signals. 3. Accumulation of snow or ice around the wheels or wheel housings. 4. Using tire chains on the vehicle. 5. Using wheels/tires not equipped with TPM sensors. NOTE: Vehicles with Full Size Spare 1. The matching full size spare wheel and tire assembly has a TPM sensor that can be monitored by the TPMS.