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SAFETY 297
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
standstill 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.
NOTE:
Fifth wheel or gooseneck trailers are not supported
by Trailer Merge Assist.
Trailer Length Detection
Trailer length will be identified and placed into one
of the following categories:
Trailer length up to 10 ft (3 m) — Blind Spot zone
will be adjusted to 10 ft (3 m) .
Trailer length between 10 ft to 20 ft (3 m to
6 m) — Blind Spot zone will be adjusted to
20 ft (6 m) .
Trailer length between 20 ft to 30 ft (6 m to
9 m) — Blind Spot zone will be adjusted to
30 ft (9 m) .
Trailer length between 30 ft and 39.5 ft (9 m to
12 m) — Blind Spot zone will be adjusted to Max
distance .
NOTE:
Trailer length is determined within +/- 3 ft (1 m) of
actual length. Trailers that are the same size as the
category limit, 10/20/30 ft (3/6/9 m), could be
subject to being placed in the category above or
below the correct one.
Trailer Merge Warning
Trailer Merge Warning is the extension of the blind spot
function to cover the length of the trailer, plus a safety
margin, to warn the driver when there is a vehicle in the
adjacent lane. The driver is alerted by the illumination
of the BSM Warning Light located in the outside mirror
on the side the other vehicle is detected on. In addition,
an audible (chime) alert will be heard and radio volume
reduced
Ú
page 295.
NOTE:
The Trailer Merge Alert system DOES NOT alert
the driver about rapidly approaching vehicles
that are outside the detection zones.
The BSM system may experience dropouts
(blinking on and off) of the side mirror warning
indicator lamps when a motorcycle or any small
object remains at the side of the vehicle for
extended periods of time (more than a couple
of seconds).
Crowded areas such as parking lots, neighbor-
hoods, etc. may lead to an increased amount of
false alerts. This is normal operation.
1 — Trailer Length
2 — Trailer Hitch
3 — Trailer Width
6
22_DJD2_OM_EN_USC_t.book Page 297
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