2010 Lexus RX 450h User Guide 2 - Page 566

5-2. Steps to take in an emergency n If the tire pressure warning light comes on after flashing frequently for 1 minute If the tire pressure warning light comes on after flashing frequently for 1 minute when the "POWER" switch is turned to ON mode, have it checked by your Lexus dealer. n Customization The vehicle speed linked seat belt reminder buzzer can be disabled. (Customizable features →P. 656) CAUTION n When the electric power steering system warning light comes on The steering wheel may become extremely heavy. If the steering wheel becomes heavier than usual when operating, hold firmly and operate it using more force than usual. n If the tire pressure warning light comes on Be sure to observe the following precautions. Failure to do so could cause loss of vehicle control and result in death or serious injury. l Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pres- sure immediately. l If the tire pressure warning light comes on even after tire inflation pressure adjust- ment, it is probable that you have a flat tire. Check the tires. If a tire is flat, change it with the spare tire and have the flat tire repaired by the nearest Lexus dealer. l Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose control of the steering wheel or the brakes. n If a blowout or sudden air leakage should occur The tire pressure warning system may not activate immediately. 572