Ram 2021 3500 dually truck 2021 RAM 3500

User Manual - Page 123

For 2021 RAM 3500.

PDF File Manual, 456 pages, Download pdf file

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GETTING TO KNOW YOUR INSTRUMENT PANEL 121
WHITE INDICATOR LIGHTS
Adaptive Cruise Control (ACC) Ready
Light — If Equipped
This light will illuminate when the vehicle
equipped with ACC has been turned on
bu
t not set Ú page 181.
Cruise Control Ready Indicator Light
This indicator light will illuminate when
the cruise control is ready, but not set
Ú page 179.
Hill Descent Control (HDC) Indicator
Light — If Equipped
This indicator shows when the HDC
feature is turned on. The lamp will be on
sol
id when HDC is armed. HDC can only
be armed when the transfer case is in the
4WD Low position and the vehicle speed is less
then 20
mph (32 km/h). If these conditions are not
met while attempting to use the HDC feature, the
HDC indicator light will flash on/off.
LaneSense Indicator Light — If Equipped
When the LaneSense system is ON, but
not armed, the LaneSense indicator light
il
luminates solid white. This occurs when
only left, right, or neither lane line has
been detected. If a single lane line is detected, the
system is ready to provide only visual warnings if
an unintentional lane departure occurs on the
detected lane line
Ú page 194.
BLUE INDICATOR LIGHTS
High Beam Indicator Light
This indicator light will illuminate to
indicate that the high beam headlights
ar
e on. With the low beams activated,
push the multifunction lever forward
(toward the front of the vehicle) to turn on the high
beams. Pull the multifunction lever rearward
(toward the rear of the vehicle) to turn off the high
beams. If the high beams are off, pull the lever
toward you for a temporary high beam on, "flash to
pass" scenario.
ONBOARD DIAGNOSTIC SYSTEM — OBD II
Your vehicle is equipped with a sophisticated
Onboard Diagnostic system called OBD II. This
system monitors the performance of the
emissions, engine, and transmission control
systems. When these systems are operating
properly, your vehicle will provide excellent
performance and fuel economy, as well as engine
emissions well within current government
regulations.
If any of these systems require service, the OBD II
sy
stem will turn on the Malfunction Indicator Light
(MIL). It will also store diagnostic codes and other
information to assist your service technician in
making repairs. Although your vehicle will usually
be drivable and not need towing, see an authorized
dealer for service as soon as possible.
ONBOARD DIAGNOSTIC SYSTEM
(OBD II) C
YBERSECURITY
Your vehicle is required to have an OBD II and a
connection port to allow access to information
related to the performance of your emissions
controls. Authorized service technicians may need
to access this information to assist with the
diagnosis and service of your vehicle and
emissions system
Ú page 228.
CAUTION!
Prolonged driving with the MIL on could cause
further damage to the emission control
system. It could also affect fuel economy and
driveability. The vehicle must be serviced
before any emissions tests can be performed.
If the MIL is flashing while the vehicle is
running, severe catalytic converter damage
and power loss will soon occur. Immediate
service is required.
3
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