2011 Lexus IS 350 User Guide - Page 147

2-1. Driving procedures n When the "-" shift paddle switch is operated in the D position When the "-" shift paddle switch is operated in the D position, a shift range will be automatically selected. The highest gear of the first shift range will be one gear lower than the gear in use during normal D position driving. n Automatic deactivated of shift range selection in the D position Shift range selection in the D position will be deactivated in the following situations: l When the vehicle comes to a stop l When range 6 is selected and the accelerator pedal is depressed l If the accelerator pedal is depressed for more than a certain period of time n To protect automatic transmission A function is adopted that automatically selects a higher shift range when the fluid temperature is high. n Gear position display when driving The current gear is displayed on the multi-information display. (→P. 174) n Downshifting restrictions warning buzzer To help ensure safety and driving performance, downshifting operation may sometimes be restricted. In some circumstances, downshifting may not be possible even when the shift lever or shift paddle switch is operated. (The warning buzzer will sound twice.) n When driving with the cruise control system or dynamic radar cruise control sys- tem Engine braking will not occur during shift range selection in the D position or S mode, even when downshifting to range 5 or 4. (→P. 186, 189) n Snow mode automatic deactivation Snow mode is automatically deactivated if the "ENGINE START STOP" switch is turned off after driving in snow mode. n If the shift lever cannot be shifted from P →P. 520 154