2007 Lexus RX 400h Owners Manual - Page 165

2-4. Using other driving systems CAUTION n Before using dynamic laser cruise control 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 cruise control activation Keep the ON-OFF button off when not in use. n Situations unsuitable for dynamic laser cruise control 2 When driving Do not use dynamic laser cruise control in any of the following situations. Doing so may result in inappropriate control of speed and could cause serious or fatal accident. 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 (fog, snow, sandstorm, etc.) l When buzzer can be heard often 143