2012 Jeep Grand Cherokee Owner Manual SRT - Page 424

422 STARTING AND OPERATING When frequent transmission shifting occurs (such as when operating the vehicle under heavy loading conditions, in hilly terrain, traveling into strong head winds, or while towing heavy trailers), use the "AutoStick௡" mode (refer to "AutoStick௡" in this section) to select a lower gear. Under these conditions, using a lower gear will improve performance and extend transmission life by reducing excessive shifting and heat buildup. SPORT This mode alters the transmission's automatic shift schedule for sportier driving. Upshift speeds are increased to make full use of available engine power. SPORT mode is activated using the rotary switch on the center console. Refer to "Selec-Track" in "Starting And Operating" for further information. result in transmission damage, Transmission Limp Home Mode is activated. In this mode, the transmission remains in the current gear until the vehicle is brought to a stop. After the vehicle has stopped, the transmission will remain in second gear regardless of which forward gear is selected. PARK, REVERSE, and NEUTRAL will continue to operate. The Malfunction Indicator Light (MIL) may be illuminated. Limp Home Mode allows the vehicle to be driven to an authorized dealer for service without damaging the transmission. In the event of a momentary problem, the transmission can be reset to regain all forward gears by performing the following steps: 1. Stop the vehicle. 2. Shift the transmission into PARK. Transmission Limp Home Mode Transmission function is monitored electronically for 3. Turn the engine OFF. abnormal conditions. If a condition is detected that could 4. Wait approximately 10 seconds.