2006 Jeep Grand Cherokee Owner's Manual - Page 257

STARTING AND OPERATING 257 shifter is in the D (Drive) position, allowing the selection of the desired top gear. For example, if the driver shifts the transmission into 3 (third gear), the transmission will never shift above third gear, but can shift down to 2 (second) or 1 (first), when needed. left "D(-)" and hold it there. The transmission will shift to the range from which the vehicle can best be slowed down. Overdrive Operation The overdrive automatic transmission contains an electronically controlled fourth and fifth speed (Overdrive). The transmission will automatically shift from 3rd gear to Overdrive if the following conditions are present: • the transmission selector is in D (Drive); • the engine coolant has reached normal operating temperature; • vehicle speed is above approximately 30 mph (48 km/h); • the "TOW/HAUL" button has not been activated; • transmission has reached normal operating temperature. WARNING! Do not downshift for additional engine braking on a slippery surface. The drive wheels could lose their grip and the vehicle could skid. Screen Display Actual Gear(s) Allowed 1 1 2 1-2 3 1-3 4 1-4 D 1-5 5 NOTE: To select the proper gear position for maximum deceleration (engine braking), move the shift lever to the