2010 Lexus IS F Owners Manual - Page 227

2-4. Using other driving systems For vehicles sold in Canada Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference received, including interference that may cause undesired operation of the device. CAUTION n Before using dynamic radar cruise control 2 Do not overly rely on vehicle-to-vehicle distance control. Be aware of the set vehicle speed. If automatic deceleration/acceleration is not appropriate, adjust the vehicle speed, as well as the distance between your vehicle and vehicles ahead by applying the brakes, etc. n To avoid inadvertent dynamic radar cruise control activation When driving Keep the "ON-OFF" button off when not in use. n Situations unsuitable for dynamic radar cruise control Do not use dynamic radar cruise control in any of the following situations. Doing so may result in inappropriate control of speed and could cause an accident resulting in death or serious injury. l In heavy traffic l On roads with sharp bends l On winding roads l On slippery roads, such as those covered with rain, ice or snow l Where there are sudden changes between sharp up and down gradients l At entrances to expressways l When weather conditions are bad enough that they may prevent the sensors from functioning correctly (heavy rain, fog, snow, sandstorm, etc.) l Where buzzer can be heard often 169