2006 Mercury Mariner Owner Guide 2nd Printing - Page 151

Tires, Wheels and Loading Low Tire Pressure Possible cause Warning Light Flashing Warning Spare tire in use Light (flashes for a short time either at start-up or while driving) Customer Action Required Your temporary spare tire is in use. Repair the damaged road wheel and re-mount it on the vehicle to restore system functionality. For a description of how the system functions under these conditions, refer to Changing tires with TPMS in this section. If your tires are properly inflated and your spare tire is not in use and a flashing TPMS warning light is still present, have the system inspected by your authorized dealer. TPMS malfunction When inflating your tires When putting air into your tires (such as at a gas station or in your garage), the Tire Pressure Monitoring System may not respond immediately to the air added to your tires. Here are the details: • The tire pressure sensors mounted in your wheels updates your vehicle with tire pressure information only once every minute, therefore it may take up to two minutes of driving over 20 mph (32 km/h) for the light to turn OFF after you have filled your tires to the recommended tire pressure. • If your vehicle has been parked for over 30 minutes, the sensors go into a low power mode to conserve battery life and therefore only transmit about once every 6 hours. If you inflate your tires under these conditions, it may take up to two minutes of driving over 20 mph (32 km/h) for the light to turn OFF after you have filled your tires to the recommended tire pressure. For these reasons, the low tire pressure warning light is NOT a substitute for using an accurate tire gauge when checking and filling your tires. 151 2006 Mariner (mrn) Owners Guide (post-2002-fmt) USA (fus)