2009 Lexus SC 430 Owners Manual - Page 303

5-2. Steps to take in an emergency CAUTION n Speed limit when using the compact spare tire Do not drive at more than 50 mph (80 km/h) when the compact spare tire is installed on the vehicle. The compact spare tire is not designed for driving at high speeds. Failing to observe this precaution may lead to an accident causing death or serious injury. n When using the compact spare tire l Avoid sudden acceleration, sudden deceleration and sharp turns. l Replace the compact spare tire with a standard tire as soon as possible. l Do not use more than one compact spare tire at the same time. l Do not use the compact spare tire on any other vehicle. n When the spare tire is attached The vehicle speed may not be correctly detected, and the following systems may not operate correctly: l ABS & Brake assist l VSC l TRAC NOTICE n Do not drive the vehicle with a flat tire Do not continue driving with a flat tire. Driving even a short distance can damage a tire and wheel beyond repair. n When driving over bumps with the compact spare tire 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. 308