2009 Jeep Grand Cherokee Owner Manual SRT8 - Page 339

2009 Jeep Grand Cherokee Manual

Page 339 highlights

STARTING AND OPERATING 337 performance and extend transmission life by reducing excessive shifting and heat build up. This action will also provide better engine braking. 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 the "Maintenance Schedule" in Section 8 of this manual for the proper maintenance intervals. Towing Tips - 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. Towing Tips - Cooling System To reduce potential for engine and transmission overheating, take the following actions: − City Driving When stopped for short periods of time, shift the transmission into NEUTRAL and increase engine idle speed. − Highway Driving Reduce speed. − Air Conditioning Turn off temporarily. RECREATIONAL TOWING (BEHIND MOTORHOME, ETC.) Recreational towing is not allowed. 5

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performance and extend transmission life by reducing
excessive shifting and heat build up. This action will also
provide better engine braking.
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 the “Main-
tenance Schedule” in Section 8 of this manual for the
proper maintenance intervals.
Towing Tips — Electronic Speed Control (If
Equipped)
²
Do not use in hilly terrain or with heavy loads.
²
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.
²
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, shift the trans-
mission into NEUTRAL and increase engine idle speed.
±
Highway Driving
Reduce speed.
±
Air Conditioning
Turn off temporarily.
RECREATIONAL TOWING (BEHIND
MOTORHOME, ETC.)
Recreational towing is not allowed.
STARTING AND OPERATING
337
5