Fuel and Emissions System Description - PCV System
Positive Crankcase Ventilation (PCV) System
The PCV valve prevents blow-by gasses from escaping into the atmosphere by venting them into the intake manifold.

Fog Lights*
When the low beam headlights are on, turn
the fog light switch on to use the fog lights.
When the fog lights are on, the indicator in the
instrument panel will be on. ...
Fuel Pressure Relieving
Before disconnecting fuel lines or hoses, relieve pressure from the system by
disabling the fuel pump and disconnecting the fuel line/quick connect fitting in
the engine compartment.
With the HDS ...
Compact Spare Tire
Use the compact spare tire as a temporary replacement only. Get your regular
tire repaired or replaced, and put it back on your vehicle as soon as you can.
Check the inflation pressure of the compa ...