2012 Dodge Durango Owner Manual - Page 524

522 STARTING AND OPERATING (1.6 km) after a three-hour period. The cold tire inflation Tire pressure may increase from 2 to 6 psi (13 to 40 kPa) pressure must not exceed the maximum inflation pres- during operation. DO NOT reduce this normal pressure build-up, or your tire pressure will be too low. sure molded into the tire sidewall. Check tire pressures more often if subject to a wide range Tire Pressures For High Speed Operation of outdoor temperatures, as tire pressures vary with The manufacturer advocates driving at safe speeds within posted speed limits. Where speed limits or conditemperature changes. tions are such that the vehicle can be driven at high Tire pressures change by approximately 1 psi (7 kPa) per speeds, maintaining correct tire inflation pressure is very 12°F (7°C) of air temperature change. Keep this in mind important. Increased tire pressure and reduced vehicle when checking tire pressure inside a garage, especially in loading may be required for high-speed vehicle operathe winter. tion. Refer to original equipment or an authorized tire Example: If garage temperature = 68°F (20°C) and the dealer for recommended safe operating speeds, loading outside temperature = 32°F (0°C) then the cold tire and cold tire inflation pressures. inflation pressure should be increased by 3 psi (21 kPa), which equals 1 psi (7 kPa) for every 12°F (7°C) for this outside temperature condition.