2008 Lexus LS 460 Owners Manual - Page 250

2-4. Using other driving systems n Automatic cruise control cancellation The cruise control will stop maintaining the vehicle speed in any of the following situations: l Actual vehicle speed falls more than 10 mph (16 km/h) below the preset vehicle speed. At this time, the memorized set speed is not retained. l Actual vehicle speed is below approximately 25 mph (40km/h). l VSC is activated. n If the cruise control indicator light flashes Press the "ON-OFF" button once to deactivate the system, and then press the button again to reactivate the system. If the cruise control speed cannot be set or if the cruise control cancels immediately after being activated, there may be a malfunction in the cruise control system. Have the vehicle inspected by your Lexus dealer. 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 serious or fatal accident. l In heavy traffic l On roads with sharp bends l On slippery roads, such as those covered with rain, ice or snow l On winding roads l On steep hills Vehicle speed may exceed the set speed when driving down a steep hill. 184