2011 Lexus RX 350 Owners Manual - Page 645

5-2. Steps to take in an emergency CAUTION Also, not only can the following system not be utilized fully, but it may even negatively affect the drive-train components: l AWD system (if equipped) n Speed limit when using the compact spare tire Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is installed on the vehicle. The compact spare tire is not designed for driving at high speeds. Failure to observe this precaution may lead to an accident causing death or serious injury. NOTICE n Do not drive the vehicle with a flat tire Do not continue driving with a flat tire. Driving even a short distance with a flat tire can damage the tire and the wheel beyond repair. n Be careful when driving over bumps with the compact spare tire installed on the vehicle. The vehicle becomes lower when driving with the compact spare tire compared to when driving with standard tires. Be careful when driving over uneven road surfaces. n Driving with tire chains and the compact spare tire Do not fit tire chains to the compact spare tire. Tire chains may damage the vehicle body and adversely affect driving performance. n When replacing the tires When removing or fitting the wheels, tires or the tire pressure warning valve and transmitter, contact your Lexus dealer as the tire pressure warning valve and transmitter may be damaged if not handled correctly. n To avoid damage to the tire pressure warning valves and transmitters When a tire is repaired with liquid sealants, the tire pressure warning valve and transmitter may not operate properly. If a liquid sealant is used, contact your Lexus dealer or other qualified service shop as soon as possible. Make sure to replace the tire pressure warning valve and transmitter when replacing the tire. (→P. 479) 576