See also:

American Petroleum Institute (API) Engine Oil Identification Symbol
This symbol means that the oil has been certified by the American Petroleum Institute (API). The manufacturer only recommends API Certified engine oils. CAUTION! Do not use chemical flush ...

Extreme Cold Weather (Below –20°F Or –29°C)
To ensure reliable starting at these temperatures, use of an externally powered electric engine block heater (available from your authorized dealer) is recommended. ...

Connectivity and Infotainment Features
The all-new 2011 Jeep Grand Cherokee will feature uconnect guardian as a standard feature on all models (services provided by Hughes Telematics). uconnect guardian provides customers with the top ...