Dodge 2008 Ram 4500 - Manual (Page 371)

The automatic transmission fluid and filter should be
changed if you REGULARLY tow a trailer for more than
45 minutes of continuous operation. See Maintenance
Schedule in section 8 of this manual for transmission
fluid change intervals.
NOTE: Check the automatic transmission fluid level
before towing.
Towing Tips — Tow/Haul (If Equipped)
To reduce potential for automatic transmission overheat-
ing, turn the “TOW HAUL” feature ON when driving in
hilly areas or downshift the transmission (using the
Auto-6 [ERS] switch).
Towing Tips — Electronic Speed Control (If
Equipped)
− Don’t 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.
Towing Tips — Cooling System
To reduce potential for engine and transmission over-
heating, take the following actions:
− City Driving
When stopped for short periods of time, put transmission
in neutral and increase engine idle speed.
− Highway Driving
Reduce speed.
− Air Conditioning
Turn off temporarily.
STARTING AND OPERATING 369
5