2.
Press the lower half of the On/Off switch.
NOTE: To resume the preselected cruise speed,
increase vehicle speed to above minimum
cruise control speed and momentarily press the
upper half of the Set/Resume/Accelerate/
Decelerate switch. Cruise will return to the last
speed selected.
Engine Fan Switch
To turn the engine fan on, press the upper half of the
engine fan switch. See Fig. 2.24. The fan will con-
tinue to operate for a set amount of time and then
turn off unless the coolant temperature is high
enough to continue fan operation. To turn the fan off
before the set time period ends, press the lower half
of the switch.
Ignition Switch
The ignition switch has four positions: OFF, ACC (ac-
cessory), ON, and START. See Fig. 2.25. The igni-
tion key also locks and unlocks the cab doors, bag-
gage door(s), and if equipped, the bunk door(s).
In the OFF position, the ignition switch is vertical.
The key can be inserted and removed only in the
OFF position.
The following functions are operable when the igni-
tion switch is in the OFF position (regardless of
whether the key is inserted):
•
low-beam headlights
•
taillights
•
brake lights
•
road lights
•
dome lights
•
clearance lights
•
hazard warning lights
•
turn signals
•
utility lights
•
baggage compartment lights
•
spotlights
•
horn
•
clock
•
refrigerator
•
CB radio
•
power mirrors
•
power receptacle
•
fuel heater
•
electric oil pan heater
•
electric or diesel-fired engine coolant pre-
heater
Turn the key counterclockwise to reach the ACC po-
sition. In addition to all the functions that are oper-
able in the OFF position, the following functions are
operable when the switch is in the ACC position:
•
radio/stereo system
•
heater and A/C fan
•
mirror defog
•
windshield fan
f61117804/24/2012
Fig. 2.24, Engine Fan Switch
07/19/2006 f610805
Fig. 2.25, Ignition Switch
Instruments and Controls Identification
2.21
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