RAM 2500 2023, Owner'S Manual, Page: 307 / 468

SAFETY 305
Blind Spot Assist Cameras
There are cameras located in the exterior mirrors to assist
in blind spot detection. Refer to
Ú
page 189 to learn more
about how the cameras function with turn signal
engagement or refer to
Ú
page 191 to learn how to
activate the cameras through the Camera's screen.
Trailer Merge Assist
NOTE:
When Trailer Merge Assist is activated, Rear Cross Path is
disabled.
NOTE:
When a trailer with an electric brake is connected to the
vehicle, the instrument cluster display will provide a menu
to allow a selection of the trailer type. There will be two
options provided: Conventional and Goose/Fifth Wheel.
Goose/Fifth Wheel Trailer is incompatible and when
selected, the BSM system will disable until the trailer is
disconnected. If the wrong option is selected, the system
can be reset by either disconnecting and reconnecting the
trailer harness connector or disabling then re-enabling the
Blind Spot Monitoring system in the customer settings in
the Uconnect system. This will prompt the trailer selection
menu again to allow for the correct selection.
Trailer Merge Assist is a function of the Blind Spot
Monitoring (BSM) system that extends the blind spot zone
to work while pulling a trailer. Trailer Merge Assist consists
of three sub functions:

Automatic Trailer Detection

Trailer Length Detection
 Trailer Merge Warning
Blind Spot Zones With Trailer Merge Assist
Automatic Trailer Detection
There are two modes of operation for the detection of the
trailer length:

Automatic Mode
— When “Auto Mode” is selected, the
system will use the blind spot sensors to automatically
determine the presence and length of a trailer. The
presence of a trailer will be detected using the blind
spot radar within 90 seconds of forward movement of
the vehicle. The vehicle must be moving above 6 mph
(10 km/h) to activate the feature. Once the trailer has
been detected, the system will default to the maximum
blind spot zone until the length has been verified. You
will see “Auto” in the instrument panel cluster .

Maximum Mode — When “Max Mode” is selected, the
system will default to the maximum blind spot zone
regardless of what size trailer is attached .
NOTE:
Selected setting is stored when the ignition is placed in the
OFF position. To change this setting, it must be selected
through the Uconnect Settings
Ú
page 226.
Trailer Length Detection
Once the trailer presence has been established, the trailer
length will be established (by making a 90 degree turn)
and then the trailer length category (e.g. 10-20 ft (3 m to
6 m)) will be displayed. This can take up to 30 seconds
after completing the turn.
NOTE:
During the same ignition cycle, if the vehicle is at a stand -
still for a minimum of 90 seconds, a new “trailer detection
request” is enabled by the system once the vehicle
resumes motion.
Maximum length supported by the Trailer Merge Assist
feature is 39.5 ft (12 m). Trailer length is considered the
forward most portion of the trailer hitch to the rearward
most portion of the body, fascia/bumper, or ramp of the
trailer.
Maximum width supported by the Trailer Merge Assist
feature is 8.5 ft (2.59 m). Trailer width is measured at the
widest portion of the trailer and may include wheels, tires,
finders, or rails.
1 — Vehicle
2 — Trailer
6
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