2011 Acura RL Owner's Manual - Page 489

Tires For convenience, the recommended tire sizes and cold tire pressures are on a label on the driver's doorjamb. For additional technical information about your tires, see page 528 . High Speed Driving We strongly recommend that you do not drive faster than the posted speed limits and conditions allow. If you ever drive in a sanctioned competitive event at sustained high speeds (over 112 mph or 181 km/h), be sure to adjust the cold tire pressures as shown below. If you do not, excessive heat can build up and cause sudden tire failure. High Speed Driving Tire Size Cold Tire Pressure P245/45R18 96V Front 36 psi (250 kPa , 2.5 kgf/cm ) Rear 35 psi (240 kPa , 2.4 kgf/cm ) The recommended tire pressures for high speed driving are not on the label on the driver's doorjamb, contact your dealer for more information about the tire pressures. When you return to normal speed driving, be sure to readjust the tire pressure for normal driving. You should wait until the tires are cold before adjusting the tire pressure. Maintenance 483