2013 Jeep Grand Cherokee Owner Manual - Page 571

STARTING AND OPERATING 569 If you REGULARLY tow a trailer for more than 45 minutes of continuous operation, then change the transmisBefore setting out on a trip, practice turning, stopping sion fluid and filter(s) as specified for "police, taxi, fleet, and backing the trailer up in an area away from heavy or frequent trailer towing." Refer to the "Maintenance traffic. Schedule" for the proper maintenance intervals. Automatic Transmission NOTE: Check the transmission fluid level before towing The DRIVE range can be selected when towing. The (5.7L engine). transmission controls include an adaptive drive strategy to avoid frequent shifting when towing. However, if Electronic Speed Control - If Equipped frequent shifting does occur while in DRIVE, select • Do not use in hilly terrain or with heavy loads. TOW/HAUL mode (if equipped), or a lower gear range • When using the speed control, if you experience speed (using the Electronic Range Select [ERS] shift control). drops greater than 10 mph (16 km/h), disengage until NOTE: Using the TOW/HAUL mode (if equipped) or you can get back to cruising speed. selecting a lower gear range (using the ERS shift control) while operating the vehicle under heavy loading condi- • Use speed control in flat terrain and with light loads to maximize fuel efficiency. tions, will improve performance and extend transmission life by reducing excessive shifting and heat buildup. This action will also provide better engine braking. Towing Tips 5