2011 Toyota Highlander Owners Manual - Page 205

2-1. Driving procedures n If the shift lever cannot be shifted from P →P. 536 n If the S indicator does not come on even after shifting the shift lever to S This may indicate a malfunction in the automatic transmission system. Have the vehicle inspected by your Toyota dealer immediately. (In this situation, the vehicle will operate as if the shift lever is in D.) n Downshift restriction warning buzzer (S mode) 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 is operated. (A buzzer will sound twice.) n S mode l 2.7L 4-cylinder (1AR-FE) engine: when the shift range is "5" or lower, holding the shift lever toward "+" sets the shift range to "6". l 3.5L V6 (2GR-FE) engine: when the shift range is "4" or lower, holding the shift lever toward "+" sets the shift range to "5". l To prevent excessive engine speed, a function was adopted that automatically selects a higher shift range before engine speed becomes too high. l To protect the automatic transmission, a function is adopted that automatically selects a higher shift range when the fluid temperature is high. n AI-SHIFT AI-SHIFT automatically selects the suitable gear according to driver performance and driving conditions. AI-SHIFT automatically operates when the shift lever is in the D position. (Shifting the shift lever to the S mode driving position cancels the function.) 2 When driving 177