Defroster
Check operation by selecting the defrost mode and place the blower control on high speed. You should be able to feel the air directed against the windshield. See your authorized dealer for service if your defroster is inoperable.
See also:
Engine Oil Viscosity (SAE Grade)
SAE 5W-30 engine oil is recommended for all operating temperatures. This engine
oil improves low temperature starting and vehicle fuel economy.
The engine oil filler cap also shows the recommended ...
Manual Heating And Air Conditioning
Manual Temperature Control
The Manual Temperature Controls consist of a series of
outer rotary dials and inner push knobs. ...
Go-Anywhere 4x4 Systems
The 2011 Jeep Grand Cherokee offers three 4x4 systems (Quadra-Trac I®,
Quadra-Trac II® and Quadra-Drive® II).
Quadra Trac I delivers full-time four-wheel drive without any switches or
levers ...