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RAM 1500 2021 - Cold Weather Operation (below -22°F or −30°C); After Starting; Starting Fluids - Diesel Engine Only; Normal Operation - Diesel Engine

RAM 1500 2021
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134 STARTING AND OPERATING
(Continued)
ENGINE START/STOP Button Functions — With
Driver’s Foot OFF The Brake Pedal (In PARK Or
NEUTRAL Position)
The ENGINE START/STOP button operates similar
to an
ignition switch. It has three modes: OFF, ACC,
and RUN. To change the ignition modes without
starting the vehicle and use the accessories, follow
these directions:
1. Start with the ignition in the OFF mode.
2. P
ush the ENGINE START/STOP button once to
pla
ce the ignition to the ACC mode.
3. Push the ENGINE START/STOP button a
sec
ond time to place the ignition to the RUN
mode.
4. Push the ENGINE START/STOP button a third
tim
e to return the ignition to the OFF mode.
COLD WEATHER OPERATION
(B
ELOW 22°F OR −30°C)
To ensure reliable starting at these temperatures,
use of an externally powered electric engine block
heater (available from an authorized dealer) is
recommended.
AFTER STARTING
The idle speed is controlled automatically, and it
will decrease as the engine warms up.
STARTING FLUIDS DIESEL ENGINE
O
NLY
The engine is equipped with a glow plug preheating
system. If the instructions in this manual are
followed, the engine should start in all conditions
and no type of starting fluid should be used.
NORMAL OPERATION — DIESEL ENGINE
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
vari
ous engine temperatures. This is caused by the
glow plug heating system. The number of cycles
and the length of the cycling operation is controlled
by the engine control module. Glow plug heater
operation can run for several minutes, once the
heater operation is complete the voltmeter needle
will stabilize.
WARNING!
Do not leave children or animals inside parked
vehicles in hot weather. Interior heat build up
may cause serious injury or death.
When leaving the vehicle, always make sure
the wireless ignition node is in the “OFF”
mode, remove the key fob from the vehicle
and lock the vehicle.
Never leave children alone in a vehicle, or with
access to an unlocked vehicle. Allowing chil-
dren to be in a vehicle unattended is
d
ang
erous for a number of reasons. A child or
others could be seriously or fatally injured.
Children should be warned not to touch the
parking brake, brake pedal or the gear
selector.
Do not leave the key fob in or near the vehicle,
or in a location accessible to children, and do
not leave the ignition of a vehicle equipped
with Keyless Enter ‘n Go™ in the ACC or ON/
RUN mode. A child could operate power
windows, other controls, or move the vehicle.
WARNING!

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