2006 Lexus GS 300 Owners Manual - Page 1017

STARTING AND DRIVING ELECTRONIC THROTTLE CONTROL SYSTEM The electronic throttle control system always maintains appropriate engine output in relation to the accelerator opening in all driving conditions. In the power mode, the "ECT PWR" light in the instrument cluster is on and the most suitable shift pattern is selected depending on the driver's operation of accelerator and brake pedal and on the vehicle condition. See "Automatic shifting point change control" on page 363. To return to the normal mode, push the driving pattern selector switch lightly on the "SNOW" side. Snow mode: For slippery road surfaces such as in snow. In this mode, the spinning of the rear wheels is controlled appropriately. G31023 When you push the driving pattern selector switch on the "SNOW" side, the snow mode is turned on and the "ECT SNOW" light in the instrument cluster comes on. To return to the normal mode, push the driving pattern selector switch on the "SNOW" side again. When you turn the engine switch off in the snow mode, the electronic throttle control system automatically changes to the normal mode. " 1 Power position 3 Snow position 2 Normal position The electronic throttle control system has 3 modes: normal, power and snow modes. Normal mode: For ordinary driving, Lexus recommends that you use this mode to improve fuel economy. Power mode: For more powerful acceleration and sporty driving. 371