See also:

Fuel Requirements
All engines are designed to meet all emissions regulations and provide excellent fuel economy and performance when using high quality unleaded “regular” gasoline having an octane rating of 8 ...

Engine Block Heater — If Equipped
The engine block heater warms the engine, and permits quicker starts in cold weather. Connect the cord to a standard 110-115 Volt AC electrical outlet with a grounded, three-wire extension cord. ...

Ride Comfort
The Grand Cherokee's ride comfort is its most impressive quality. The new four-wheel independent suspension soaks up bumps easily without getting flustered like a traditional SUV can, and it corne ...