See also:

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. ...

Rear Axle Fluid Level Check
The rear axle oil level needs to be between 1/8 in (3 mm) below the bottom of the fill hole and the bottom of the fill hole. The rear axle fill and drain plugs should be tightened to 22 to 29 f ...

Engine Oil Filter
The engine oil filter should be replaced with a new filter at every engine oil change. NOTE: For best access to the oil filter, a drive on hoist should be used instead of a chassis hoist (3.7L On ...