2009 Volvo XC70 Owner's Manual - Page 260

06 Maintenance and specifications Wheels and tires installation of replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning properly. Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly. will erase the warning text and the warning light will go out. Volvo does not recommend moving sensors back and forth between sets of wheels. WARNING Incorrect inflation pressure could lead to tire failure, resulting in a loss of control of the vehicle. NOTE • NOTE TPMS indicates low tire pressure but does not replace normal tire maintenance. For information on correct tire pressure, please refer to the Tire inflation pressure tables or consult your Volvo retailer. Changing wheels with TPMS Please note the following when changing or replacing the factory installed TPMS wheels/ tires on the vehicle: If you change to tires with a different recommended inflation pressure, the TPMS system must be recalibrated to these tires. This must be done by a trained and qualified Volvo service technician. If a tire is changed, or if the TPMS sensor is moved to another wheel, the sensor's seal, nut, and valve core should be replaced. When installing TPMS sensors, the vehicle must be parked for at least 15 minutes with the ignition off. if the vehicle is driven within 15 minutes, a TPMS error message will be displayed. • • Only the factory-mounted wheels are equipped with TPMS sensors in the valves. • If the vehicle is equipped with a temporary Erasing warning messages When a low tire pressure warning message has been displayed, and the tire pressure warning light has come on: 1. Use a tire pressure gauge to check the inflation pressure of all four tires. 2. Re-inflate the tire(s) to the correct pressure (consult the tire pressure placard or the tables on pages 248 and 249. 3. In certain cases, it may be necessary to drive the vehicle for several minutes at a speed of 20 mph (30 km/h) or faster. This spare tire, this tire does not have a TPMS sensor. • • If wheels without TPMS sensors are mounted on the vehicle, TIRE PRESS SYST SERVICE REQUIRED will be displayed each time the vehicle is driven above 25 mph (40 km/h) for 10 minutes or more. 06 CAUTION When inflating tires with TPMS valves, press the pump's mouthpiece straight onto the valve to help avoid bending or otherwise damaging the valve. • Once TPMS sensors are properly installed, the warning message should not reappear. If the message is still displayed, drive the vehicle for several minutes at a speed of 20 mph (30 km/h) or faster to erase the message. • Volvo recommends that TPMS sensors be fitted on all wheels used on the vehicle. 260