952-1. Driving procedures2When drivingnGear position display when driving in S modeThe current gear is displayed on the multi-information display. (→ P. 112)nDownshifting restrictions warning buzzer (in the S mode)To help ensure safety and driving performance, downshifting operation may some-times be restricted. In some circumstances, downshifting may not be possible evenwhen the shift lever or shift paddle switch is operated. (The warning buzzer willsound twice.) nWhen driving with the cruise control system or dynamic radar cruise control sys-temThe engine brake will not operate in the S mode, even when downshifting to 5 or 4.( → P. 121, 124)nSNOW mode automatic deactivationSNOW mode is automatically deactivated if the engine switch is turned to ACC orIG-ON mode after driving in SNOW mode. nIf the shift lever cannot be shifted from P→ P. 357nIf the indicator does not come on even after shifting the shift lever to SThis may indicate a malfunction in the automatic transmission system. Have thevehicle inspected by your Lexus dealer immediately. (In this situation, the vehicle will operate as if the shift lever is in D.)nAI-SHIFTThe AI-SHIFT automatically shifts the gear to the optimal position according to thedriver performance and driving conditions.The AI-SHIFT automatically operates when the shift lever is in the D position. (Shift-ing the shift lever to the S position cancels the function.)
