2013 Chrysler Town & Country Owner Manual - Page 520

518 STARTING AND OPERATING 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 and temperature changes. within posted speed limits. Where speed limits or condiTire pressures change by approximately 1 psi (7 kPa) per tions are such that the vehicle can be driven at high 12°F (7°C) of air temperature change. Keep this in mind speeds, maintaining correct tire inflation pressure is very when checking tire pressure inside a garage, especially in important. Increased tire pressure and reduced vehicle loading may be required for high-speed vehicle operathe winter. tion. Refer to your authorized tire or original equipment Example: If garage temperature = 68°F (20°C) and the vehicle dealer for recommended safe operating speeds, outside temperature = 32°F (0°C) then the cold tire loading 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 WARNING! outside temperature condition. Tire pressure may increase from 2 to 6 psi (13 to 40 kPa) High speed driving with your vehicle under maxiduring operation. DO NOT reduce this normal pressure mum load is dangerous. The added strain on your tires could cause them to fail. You could have a build up or your tire pressure will be too low. serious collision. Do not drive a vehicle loaded to the maximum capacity at continuous speeds above 75 mph (120 km/h).