Ram 2021 3500 dually truck 2021 RAM 3500

User Manual - Page 114

For 2021 RAM 3500.

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112 GETTING TO KNOW YOUR INSTRUMENT PANEL
serviced. We recommend you drive to your
nearest authorized dealer and have your vehicle
serviced immediately.
NOTE:
Under some circumstances this mileage counter
ma
y start with a value of less than 150 miles
(2
41 km). For example, if recurring faults are
de
tected in a time interval of less than 40 hours,
the counter may restart at the value where it
stopped when a previous fault was temporarily
remedied, or at a minimum of 50
miles (80 km).
5 MPH Max Speed on Restart, Long Idle or
Refuel Service DEF See Dealer — This message
will continuously display when the mileage
counter reaches zero, and will be accompanied
by a periodic chime.
The vehicle will only be capable of a maximum
sp
eed of 5
mph upon the first of the following
c
on
ditions to occur:
If the vehicle is shutoff and restarted.
If the vehicle is idled for an extended period
of time, approximately one hour or greater.
If the system detects that the level of fuel in
the tank has increased.
5 MPH Max Speed Service DEF System See
Dealer This message will continuously display,
and will be accompanied by a periodic chime.
Although the vehicle can be started and placed
in gear, the vehicle will only operate at a
maximum speed of 5
mph. Your vehicle will
re
quire towing, see an authorized dealer for
service.
NOTE:
When this message is displayed, the engine can
st
ill be started. However, the vehicle will only
operate at a maximum speed of 5
mph.
Incorrect DEF Detected See Dealer This
message will display when the fault is initially
detected, each time the vehicle is started, and
periodically during driving. The message will be
accompanied by a single chime. We recom
-
mend you drive to your nearest authorized
de
aler and have your vehicle serviced as soon
as possible.
RAM ACTIVE AIR SYSTEM
Your vehicle is equipped with an advanced Ram
Active Air system that provides enhanced
performance, especially when towing under
demanding hot or high altitude conditions. If the
instrument cluster display displays the message
“Active Airbox Service Required See Dealer”,
vehicle performance may be reduced until service
is performed by an authorized RAM dealer.
WARNING LIGHTS AND MESSAGES
The warning/indicator lights will illuminate in the
instrument panel together with a dedicated
message and/or acoustic signal when applicable.
These indications are indicative and precautionary
and as such must not be considered as exhaustive.
Always refer to the information in this chapter in
the event of a failure indication. All active telltales
will display first if applicable. The system check
menu may appear different based upon
equipment options and current vehicle status.
Some telltales are optional and may not appear.
RED WARNING LIGHTS
Air Bag Warning Light
This warning light will illuminate to
indicate a fault with the air bag, and will
tu
rn on for four to eight seconds as a bulb
check when the ignition is placed in the
ON/RUN or ACC/ON/RUN position. This light will
illuminate with a single chime when a fault with the
air bag has been detected, it will stay on until the
fault is cleared. If the light is either not on during
startup, stays on, or turns on while driving, have
the system inspected at an authorized dealer as
soon as possible.
Brake Warning Light
This warning light monitors various brake
functions, including brake fluid level and
p
a
rking brake application. If the brake
light turns on it may indicate that the
parking brake is applied, that the brake fluid level
is low, or that there is a problem with the Anti-Lock
Brake System reservoir.
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