2008 Volvo V70 Owner's Manual - Page 238

A certain amount of air seepage from the tires occurs naturally and tire pressure fluctuates with seasonal changes in temperature. Always check tire pressure regularly. 251 06 Maintenance and specifications Wheels and tires Tire inflation pressure table - Canadian models The following tire pressures are recommended by Volvo for your vehicle. Refer to the tire inflation placard for information specific to the tires installed on your vehicle at the factory. NOTE A certain amount of air seepage from the tires occurs naturally and tire pressure fluctuates with seasonal changes in temperature. Always check tire pressure regularly. 252 06 Maintenance and specifications Wheels and tires Tire Pressure Monitoring System (TPMS)-U.S models only The tire pressure monitoring system uses sensors mounted in the tire valves to check inflation pressure levels. When the vehicle is moving at a speed of approximately 20 mph (30 km/h) or faster, these sensors transmit inflation pressure data to a receiver located in the vehicle. NOTE USA - FCC ID: KR5S122780002 This device complies with part 15 of the FCC rules. Operation is subject to the following conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. When low inflation pressure is detected, TPMS will light up the tire pressure warning light ( ) (also referred to as a telltale) in the instrument panel, and will display a message in the text window. The wording of this message is determined by the degree of inflation pressure loss. NOTE If a fault occurs in TPMS, the tire pressure warning light will flash for approximately 1 minute and TIRE PRESS