RAM ProMaster 2014 Owner's Manual page 275

Tow/Haul Mode
To reduce the potential for automatic transmission over-
heating, activate the "TOW/HAUL" feature when driv-
ing in hilly areas, or select a lower gear range (using the
Electronic Range Select (ERS) shift control) on more
severe grades.
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:
City Driving
When stopped for short periods, shift the transmission
into NEUTRAL and increase engine idle speed.
Highway Driving
Reduce speed.
Air Conditioning
Turn off temporarily.
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