2011 Toyota Sequoia Owners Manual - Page 239

2-4. Using other driving systems CAUTION n Situations unsuitable for dynamic laser cruise control 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 On steep downhills, or 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, rain, snow, sandstorm, direct sunlight, etc.) l Where buzzer can be heard often l When your vehicle is towing anything n When the laser radar sensor may not be correctly detecting the vehicle ahead Apply the brakes as necessary when any of the following types of vehicles are in front of you. As the sensor may not be able to correctly detect these types of vehicles, the proximity alarm (→P. 592) will not be activated, and an accident may result. l The vehicle ahead has higher ground clearance, which means that the placement of the reflectors is in a higher position. l The rear section of the vehicle ahead is extremely dirty. l The vehicle ahead or other vehicles around you are flinging up water or snow. l Excessive exhaust gas (black smoke) is coming from the vehicle ahead or other vehicles around you, obscuring your front view. 206