Starting And Operating - Jeep Wrangler Owner's Manual

484 STARTING AND OPERATING

The automatic transmission fluid and filter should be
changed if you REGULARLY tow a trailer for more than
45 minutes of continuous operation. Refer to "Mainte-
nance Schedule" for the proper maintenance intervals.
NOTE: Check the automatic transmission fluid level
before towing.
Electronic Speed Control – If Equipped
− Do not use in hilly terrain or with heavy loads.
− When using the speed control, if you experience speed
drops greater than 10 mph (16 km/h), disengage until
you can get back to cruising speed.
− Use speed control in flat terrain and with light loads to
maximize fuel efficiency.
Cooling System
To reduce potential for engine and transmission over-
heating, take the following actions:
− Highway Driving
Reduce speed.
− Air Conditioning
Turn off temporarily.