See also:

Voice Command System (Radio) — If Equipped
Refer to “Voice Command” in “Understanding The Features Of Your Vehicle”. ...

Powertrains
The all-new 2011 Jeep Grand Cherokee is available with two leading engine options for North American markets. The 2011 Jeep Grand Cherokee's standard engine is an all-new flexible fuel 3.6-liter ...

Synthetic Engine Oils
You may use synthetic engine oils if the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed. ...