2012 ACURA RL Owners Manual

The radar sensor is located under
the Acura emblem in the f ront grille.
If the radar sensor cover is covered
with mud, dirt, dead leaves, wet
snow, etc., or if you put a sticker on
it, the CMBS will automatically shut
of f , and the CMBS indicator on the
instrument panel will come on. You
will also see a ‘‘CHECK CMBS
RADAR SENSOR’’ message on the
multi-inf ormation display f or about 5
seconds.There are three bolts on the sides of
the radar sensor. Do not tamper with
these bolts, or you may cause the
system to malf unction. Always keep the radar sensor cover
clean. If it gets dirty, clean it with
water or a mild detergent. Never use
chemical solvents or polishing
powder.
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Radar Sensor
Collision Mitigation Braking System (CMBS )
Driving
419
RADAR SENSOR COVERBOLTS
(Do not tamper)
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Certain conditions may cause the
radar aim to be temporarily out of
proper range, such as the f ollowing
two examples:
If the radar sensor cover or the radar
sensor ever needs to be removed,
take your vehicle to a dealer. Do not allow anything to impact the
radarsensorortheradarsensor
cover. If either of these parts
receives a strong impact, switch the
system of f by pressing the CMBS
OFF button, and have your vehicle
checked by a dealer. If the f ront
grille ever needs to be repaired,
consult a dealer f irst.
Thetiresarenotcorrectly
maintained. Always make sure the
tire pressures are correct (see
page ), and that the tires are
thecorrectsizeandingood
condition (see Tires on page ). Your vehicle is tilted because of a
heavy load in the rear or from
modif ications to the suspension.
Do not overload your vehicle (see
Carrying Cargo on page ), and
do not make any modif ications to
the suspension (see Accessories
and Modif ications on page ).394
392
482
481
Collision Mitigation Braking System (CMBS )
420
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When the CMBS is on, the radar sensor
constantly scans f or vehicles directly
ahead of you. This means that driving
on a road with a f ew or no vehicles
could cause a CHECK CMBS RADAR
SENSOR message to appear on the
multi-inf ormation display. This is
normal and not a cause f or concern.
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CONT INUED
If the system senses a likely collision
with a vehicle or object ahead of you,
it alerts you with a visual alert or a
combination of a visual alert and an
audible alert.The visual alert is an amber colored
BRAKE message that flashes on the
multi-inf ormation display, the audible
alert is a constant beeping sound. If
one or more of the alerts come on,
take the appropriate means to
prevent a collision (apply the brakes,
change lanes, etc.). Collision Alarm
Collision Mitigation Braking System (CMBS )
Driving
421
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µµ
Î
Î
e-pretensioner The radar sensor
detects a vehicle.Braking Audio & Visual
WARNING
Stage one
Stage threeDistance between vehiclesCMBS
Stage two
Retracts the driver’s
seat belt gently a few
times, providing a
physical warning.
Forcef ully tightens
driver and front
passenger seat belts. There is a risk of a
collision with the
vehicle ahead of you.
The risk of a collision
hasincreased,timeto
respond is reduced.
The CMBS
determines that a
collision is
unavoidable.Lightly
applied
Forcefully
applied ‘‘BRAKE’’ f lashes
on the multi-
information
display.
A beep sounds
and ‘‘BRAKE’’
f lashes on the
multi-information
display.
:
Depending on the circumstances, CMBS may not go through all of the alert stages bef ore initiating the last stage.
Collision Mitigation Braking System (CMBS )
422
YOUR
VEHICLE YOUR
VEHICLE
YOUR
VEHICLEVEHICLE
AHEADVEHICLE
AHEAD
VEHICLE
AHEAD
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Any of the conditions below can
cause the CMBS to shut of f . When
the system shuts off, the CMBS
indicator in the instrument panel
comes on, and a CHECK CMBS
SYSTEM message appears on the
multi-inf ormation display f or about 5
seconds.
An abnormal tire condition is
detected (wrong tire size, f lat tire,
etc.).
Extended off-road or mountainous
driving.
Driving your vehicle with the
parking brake applied.
Driving your vehicle in bad
weather(rain,fog,snow,etc.).
A dirty radar sensor cover on the
f ront grille. To switch the CMBS of f , press the
CMBS OFF button on the dashboard
f or about 1 second. When you do this,
a beeper sounds, a CMBS indicator
on the instrument panel comes on,
and a CMBS OFF message appears
on the multi-information display. To
switch the system back on, press the
button again f or about 1 second.When you turn the ignition switch to
the ON (II) position, the system will
be in the previously selected on or
off setting.
CONT INUED
Collision Mitigation Braking System (CMBS )
Automatic Shut Of f CMBS OFF Button
Driving
423
CMBS OFF BUTTON
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When the VSA system indicator
comes on (see page ). The CMBS indicator normally comes
on under these conditions:
When you manually switch of f the
system.
When the system shuts off
automatically.
When you drive in bad weather
(rain, snow, f og, etc.).
If anything covers the radar
sensor cover (dirt, mud, dry leaves,
wet snow, etc.). The CMBS will automatically switch
on again if the conditions that caused
it to switch of f are improved.
This indicator comes on f or several
seconds when you turn the ignition
switch to the ON (II) position. It also
comesonandstaysonwhenyou
turn the CMBS off by pressing the
CMBS OFF button.
To switch the CMBS back on, make
sure the vehicle is stopped and the
ignition switch is in the ON (II)
position, then press the CMBS OFF
button f or about 1 second.435 CMBS Indicator
Collision Mitigation Braking System (CMBS )
424
CMBS INDICATOR
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The CMBS may not activate under
some conditions. Here are a f ew
examples:
The distance between your vehicle
and the vehicle ahead of you is too
short. When you turn the ignition switch
to the ON (II) position, the CMBS
indicator should come on f or a f ew
seconds, then go of f . If the
indicator comes on at any other
time and a CHECK CMBS
SYSTEM message appears on the
multi-inf ormation display, there is
a problem with the CMBS. You
can still drive your vehicle, but
CMBS will not be operating. Have
your vehicle checked by a dealer.
A vehicle cuts in f ront of you at a
slow speed, or it brakes suddenly. When you accelerate rapidly and
approach the vehicle ahead of you
at high speed.
Immediately af ter you begin
driving. Limitations
Collision Mitigation Braking System (CMBS )
Driving
425
YOUR VEHICLE
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A vehicle suddenly crosses in f ront
of you.
The vehicle ahead of you is a
motorcycle or other small vehicle. Driving in heavy, stop-and-go
traffic.This system is designed to detect
and provide sufficient advanced
warning of a collision. As a result,
you may experience occasional f alse
activations.
When you change lanes quickly,
and go around the vehicle ahead
of you. Even with little or no chance of a
collision, the CMBS may activate
under these conditions:
Collision Mitigation Braking System (CMBS )
426
YOUR VEHICLE YOUR VEHICLE
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The CMBS is not designed to detect
pedestrians.
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