Jeep Wrangler: Yellow Indicator Lights / 4WD Part Time Indicator Light — If Equipped
This light alerts the driver
that the
vehicle is in the four-wheel drive part
time mode, and the front and rear
driveshafts are mechanically locked
together forcing the front and rear wheels to
rotate at the same speed.
This light alerts the driver
that the
vehicle is in the four-wheel drive LOW
mode. The front and rear driveshafts
are mechanically locked together
forcing the front and rear wheels to rotate at the
same speed...
Other information:
Observe the following when the diesel engine is
operating:
All message center lights are off.
Malfunction Indicator Light (MIL) is off.
Engine Oil Pressure telltale is not illuminated.
Voltmeter operation.
The voltmeter may show a gauge fluctuation at
various engine temperatures...
You must press and hold the brake pedal while
shifting out of PARK.
CAUTION!
Shift into or out of PARK or REVERSE only
after the vehicle has come to a complete
stop.
Do not shift between PARK, REVERSE,
NEUTRAL, or DRIVE when the engine is
above idle speed...