2009 Lexus GS 450h Owners Manual - Page 251
2009 Lexus GS 450h Manual
Page 251 highlights
2-4. Using other driving systems 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 The vehicle's speed is above approximately 27 mph (43 km/h). n Accelerating The vehicle can be accelerated normally. After acceleration, the set speed resumes. n Automatically canceling vehicle-to-vehicle distance control Vehicle-to-vehicle distance control driving is automatically canceled in the following situations. l Actual vehicle speed falls below 25 mph (40 km/h) l Enhanced VSC is activated l The windshield wipers are operating at high speed l The mode select switch is set to snow mode l The sensor cannot operate correctly because it is covered in some way 2 When driving Vehicle-to-vehicle distance control driving must be reset by turning the "ONOFF" button on again. If vehicle-to-vehicle distance control driving is automatically canceled for any other reason, there may be a malfunction in the system. Contact your Lexus dealer. n Automatically canceling constant speed control The set speed is automatically canceled in the following situations. l Actual vehicle speed is more than 10 mph (16 km/h) below the preset vehicle speed l Actual vehicle speed falls below 25 mph (40 km/h) l Enhanced VSC is activated 189 GS_HV_U (OM30B44U) March 8, 2010 10:03 am