Chevrolet Low Cab Forward 2016 Manual page 158

Caution
After starting the engine, do not
turn the engine control switch to
the START position. Otherwise,
the starter motor may be
damaged.
Using electrical devices such as
the audio system for an extended
time period with the engine
stopped can completely discharge
the battery.
The starting circuit, engine alarm
circuits and accessory circuits are
all controlled by the engine control
switch.
1 LOCK : Lock is in the position
fully counterclockwise. In this
position, the key can be inserted or
removed. To place the engine
Driving and Operating
control switch in the LOCK position,
press and hold the key in the ACC
position and then turn it to the
LOCK position. If you will leave the
vehicle, remove the key and turn the
steering wheel until it locks. The
steering wheel will be locked to help
prevent theft.
2 ACC : Accessory is in the first
position clockwise. In this position,
the audio and other accessories can
be used with the engine stopped.
3 ON : This ON position is in the
second position clockwise. The key
stays in this position while the
engine is running. Engine control,
warning circuits, gauge circuits, and
accessory circuits are energized.
For diesel engines only, the engine
cylinder heaters or glow plugs are
also turned on when the switch is in
the ON position. The wait-to-start
light will come on and stay on until
the glow plugs are heated enough.
When this light goes off, turn the
switch to the START position.
4 START : On all engines, start is in
the position furthest clockwise. The
engine is started in this position.
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