2007 Lexus GS 450h Owners Manual - Page 154
2007 Lexus GS 450h Manual
Page 154 highlights
2-4. Using other driving systems Example of follow-up cruising (when following a vehicle driving slower than the set speed): When the speed is set at 62 mph (100 km/h) and the vehicle ahead is driving at 50 mph (80 km/h) The system continues follow-up cruising while adjusting for changes in the speed of the vehicle ahead in order to maintain the vehicle-to-vehicle distance set by the driver. Example of acceleration (when there are no longer vehicles driving slower than the set speed in the lane ahead): When the speed is set at 62 mph (100 km/h) and the vehicle ahead driving at 50 mph (80 km/ h) is out of the lane When the vehicle ahead of you executes a lane change, the system slowly accelerates until the set vehicle speed is reached. The system then returns to fixed speed cruising. n Dynamic radar cruise control warning lights, messages and buzzers Warning lights, messages and buzzers are used to indicate a system malfunction or to alert you to the need for caution while driving. (→P. 446) n The dynamic radar cruise can be set when l The shift lever is in "D" or the "4", "5" or "6" range of "S". l Vehicle speed is between approximately 27 mph (43 km/h) and 87 mph (139 km/h). n Accelerating The vehicle can be accelerated normally. After acceleration, the set speed resumes. 136