2011 Toyota Yaris Owners Manual - Page 583

2-4. Using other driving systems CAUTION n To avoid operating the cruise control by mistake Keep the ON-OFF button off when not in use. n Situations unsuitable for cruise control Do not use cruise control in any of the following situations. Doing so may result in control of the vehicle being lost and could cause an accident resulting in death or serious injury. l In heavy traffic l On roads with sharp bends When driving 2 l On winding roads l On slippery roads, such as those covered with rain, ice or snow l On steep hills Vehicle speed may exceed the set speed when driving down a steep hill. l When towing a trailer or emergency towing 159