2006 Lexus GS 300 Owners Manual - Page 440

STARTING AND DRIVING 3 Resetting to a faster speed 4 Resetting to a slower speed Press the control lever upward in the "+ RES" direction and hold it. Release the lever when the desired speed is attained. While the lever is held upward, the vehicle will gradually gain speed. When the difference between the actual vehicle speed and the set speed is less than 5 km/h (3 mph), the set speed can be increased 1.6 km/h (1 mph) each time by pressing the control lever upward in the "+ RES" direction quickly within 0.6 seconds. A quicker way to reset the speed is to accelerate and then press the control lever downward in the "- SET" direction. Press the control lever downward in the "- SET" direction and hold it. Release the lever when the desired speed is attained. While the lever is held downward, the vehicle speed will gradually decrease. When the difference between the actual vehicle speed and the set speed is less than 5 km/h (3 mph), the set speed can be lowered 1.6 km/h (1 mph) each time by pressing the control lever downward in the "- SET" direction quickly within 0.6 seconds. A quicker way to reset the preset speed is to depress the brake pedal and then press the control lever downward in the "- SET" direction. Even if you downshift the transmission from the "D" or "6" (sixth range) to "5" (fifth range), or from "D" or "5" (fifth range) to "4" (fourth range) in the conventional cruise control mode, engine braking will not be applied because this mode is not cancelled. To slow down, reset the cruise control to a slower speed with the cruise control lever or depress the brake pedal. If you use the brake pedal, cruise control is cancelled. 416