steering MAZDA CX90 2024 Service Manual

NOTE
The distance-between-vehicles can be set to 4 levels: Long, medium, short, and
extremely short distance.
The distance-between-vehicles differs depending on the vehicle speed, and the
slower the vehicle speed, the shorter the distance.
Close proximity warning
If your vehicle approaches a vehicle ahead while in headway control, a warning
sound and a display cautions you.
1. “Depress Brake Pedal”
NOTE
The close proximity warning may not be activated in the following cases.
The vehicle is driven at the same speed as the vehicle ahead.Directly after the CTS is set.Immediately after the accelerator pedal is released.Another vehicle cuts into the driving lane.Do not use the CTS system under conditions in which the close proximity warnings
are frequently activated.
Steering assist limit warning
If the steering assist function cannot keep the vehicle within the lane lines, a screen
display and a warning sound urge you to operate the steering wheel.
Instrument cluster
Driving
Cruising & Tra ffi c Support (CTS)
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Active driving display
The CTS is temporarily canceled
Constant speed/Headway control function
If any of the following conditions is met, the constant speed/headway control
function is temporarily canceled.
The brake pedal is depressed.The CANCEL switch is pressed one time.The DSC has operated.The Smart Brake Support (SBS) has operated.The front radar sensors cannot detect target objects.The parking brake is applied.Any door is opened.The driver’s seat belt is unfastened.The frequency of the braking operation by the CTS is high.
If the constant speed/headway control function is temporarily canceled, it will
resume operation at the previously se t speed by pressing the RES switch.
Steering assist function
If any of the following conditions is met, the steering assist function is temporarily
canceled. The steering assist function is automatically restored when its operation
conditions are met.
The constant speed/headway control function is canceled.White (yellow) lane lines cannot be detected or a vehicle ahead cannot be
recognized.
The turn signal lever is operated.The steering wheel is operated abruptly.Hands are off the steering wheel.The vehicle is making a sharp curve.The vehicle crosses a lane line.The width of the vehicle lane is narrow or wide.
NOTE
The notification method when the steering assist function is canceled can be
changed.
Refer to the Settings section in the Mazda Connect Owner's Manual.
Driving
Cruising &
Tra ffi c Support (CTS)
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Lane-keep Assist System(LAS)
*
The LAS is a system to help the driver
stay within the vehicle lane if the
vehicle might be deviating.
If your vehicle may be deviating from
the vehicle lane, the LAS provides
steering assistance to avoid departure
from the lane.
Warnings and Cautions
for Using the Lane-keep Assist System (LAS)
WARNING
Do not rely completely on the LAS.
The LAS is not an automated driving
system. Over reliance on the system
could lead to an accident.
 The functions of the LAS have
limitations. Do not rely completely
on the system and always stay on
course using the steering wheel.
Do not use the LAS under the
following conditions. Otherwise, it
may result in an accident.
 The vehicle is driven on slippery
roads such as icy roads,
snow-covered roads, and unpaved
roads.
 Tires other than the specified size are
used, such as when tire chains or
temporary spare tires are used.
 Tires with insufficient tread are used.
 The tire pressures are not adjusted to
the specified pressure.
 The vehicle is towing a camping
trailer or boat trailer.
 The vehicle is driven on roads other
than expressways or highways with
white (yellow) lines.
CAUTION
Heed the following cautions so that
the LAS can operate normally.
 Do not modify the vehicle's
suspensions.
Driving
Lane-keep Assist System (LAS)
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Always use wheels of the specified
size for the front and rear wheels.
Consult an Authorized Mazda
Dealer for tire replacement.How to Use the
Lane-keep Assist System (LAS)
When the LAS operates
When all the following conditions are
met, the LAS operates to assist the
steering wheel operation.
The vehicle speed is about 64 km/h
(40 mph) or faster.
The system detects white (yellow)
lane lines.
The CTS steering assist function is
not operating.
The system determines that the
vehicle may depart from the lane.
While the steering wheel operation
assist is operating , the screen display
notifies the driver.
Instrument cluster
Active driving display
NOTE
The LAS operates only on the side
that detects white lines (yellow
lines).
Driving
Lane-keep Assist System (LAS)
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The LAS may not operate normally if
any of the following conditions is
met.
The forward sensing camera (FSC)
cannot detect target objects.
Refer to Forward Sensing Camera
(FSC) on page 5-127.
The visibility of white (yellow) lane
lines is poor.
LAS temporary cancellation
If any of the following conditions is
met, the LAS is temporarily canceled.
The LAS operation is automatically
restored when the system's operation
conditions are met.
The turn signal lever is operated.The steering wheel is operated
abruptly.
The accelerator pedal is depressed
abruptly.
The brake pedal is depressed.The TCS/DSC is operating.The TCS/DSC is turned off.
Tu r n i n g off the LAS
There are 2 ways to turn off the LAS.
Tu r n
off the LAS using Mazda
Connect.
Refer to the Settings section in the
Mazda Connect Owner's Manual.
Turn off the LAS using the
i-ACTIVSENSE OFF switch.
Refer to How to Use the
i-ACTIVSENSE OFF switch on page
5-126.
Driving
Lane-keep Assist System (LAS)
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Emergency Lane Keeping(ELK)
*
The ELK is a system designed to assist
the driver’s steering wheel operation to
avoid danger.
The ELK has the following 3 functions.
Road Keep Assist
The Road Keep Assist assists the driver
to avoid departure from the road.
If your vehicle may be deviating from
the road, the Road Keep Assist
provides steering assistance to avoid
departure from the road. In addition, a
screen display and a warning sound
notify the driver of the danger.
Blind Spot Assist*
The Blind Spot Assist assists the driver
in avoiding collisions with vehicles in
adjacent lanes (excluding vehicles
approaching in the opposite
direction).
If there is a possibility of a collision
with a vehicle in an adjacent lane
when you try to change lanes or if you
may deviate from your lane, the Blind
Spot Assist assists your steering wheel
operation to keep you in the driving
lane. In addition, a screen display and
a warning sound notify the driver of
the danger.
Head-on traffic avoidance assist*
The Head-on traffic avoidance assist
assists you in avoiding a collision with
a vehicle approaching in the oncoming
lane and your vehicle.
If there is a possibility of a collision
with a vehicle approaching in the
oncoming lane due to your vehicle
departing from its lane, the Head-on
traffic avoidance a
ssist assists your
steering wheel operation to keep you
in the original driving lane. In addition,
a screen display and a warning sound
notify the driver of the danger.
Driving
Emergency Lane Keeping (ELK)
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Warnings and Cautions
for Using the Emergency Lane Keeping (ELK)
WARNING
Do not rely completely on the ELK.
The ELK has limitations. Do not rely
completely on the system and always
stay on course using the steering
wheel.
 The ELK is not an automated driving
system. Over reliance on the system
could lead to an accident.
 The detection range of the camera
and sensors is limited. If the steering
wheel operation assist is operated
without detecting a two-wheeled
vehicle near the detecting vehicle, it
could result in an accident.
Do not use the ELK under the
following conditions. Otherwise, it
may result in an accident.
The vehicle is driven on slippery
roads such as icy roads,
snow-covered roads, and unpaved
roads.
 Tires other than the specified size are
used, such as when tire chains or
temporary spare tires are used.
 (Blind Spot Assist)
The vehicle is driven on roads other
than expressways and highways.
 (Blind Spot Assist and Head-on
traffic avoidance assist)
The rear bumper around a rear side
radar sensor is deformed.
Driving
Emergency Lane Keeping (ELK)
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How to Use the
Emergency Lane Keeping (ELK)
Road Keep Assist
The Road Keep Assist operates
When all the following conditions are
met, the Road Keep Assist operates to
assist the steering wheel operation.
The vehicle speed is about 64 km/h
(40 mph) or faster.
The vehicle is driven on a straight
road or gentle curve.
The function recognizes the outside
of the road by detecting target
objects (such as gravel, grass, street
gutters, road curbs, guardrails, or
walls).
The CTS steering assist function is
not operating.
The system determines that your
vehicle may deviate from the road.
While the steering wheel operation
assist is operating, the screen display
notifies the driver.
Instrument cluster
Active driving display

Furthermore, if the possibility of a road
departure increases, a screen display
and a warning sound notify the driver
of the danger. Operate the steering
wheel according to the screen display.
Instrument cluster
Active driving display
NOTE
The Road Keep Assist may not
operate normally when any of the
following conditions is met.
The Forward Sensing Camera (FSC)
cannot detect target objects.
Refer to Forward Sensing Camera
(FSC) on page 5-127.
The road width is narrow.When the system detects target
objects on one side only, the system
does not operate to avoid a road
departure in the direction of the side
that is not being detected.
If the driver operates the steering
wheel while the steering wheel
operation assist is operating , the
steering wheel operation assist is
canceled.
Driving
Emergency Lane Keeping (ELK)
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When the Road Keep Assist is
temporarily canceled
The Road Keep Assist goes on stand-by
when any of the following conditions is
met. The Road Keep Assist is
automatically restored when its
operation conditions are met.
The turn signal lever is operated.The accelerator pedal is depressed
abruptly.
The brake pedal is depressed.The steering wheel is operated
abruptly.
The TCS/DSC is operating.The TCS/DSC is turned off.
Blind Spot Assist
*
The Blind Spot Assist operates
When all of the following conditions
are met, the Blind Spot Assist operates
to assist the steering wheel operation.
The vehicle speed is about 64 km/h
(40 mph) or faster.
The vehicle is driven on a straight
road or gentle curve.
The system detects white (yellow)
lane lines on both sides.
The CTS steering assist function is
not operating.
The system determines that your
vehicle may collide with a vehicle
from a rear side.
While the steering wheel operation
assist is operating , a screen display and
a warning sound notify the driver.
Instrument cluster
Active driving display

Furthermore, if the possibility of a
collision increases, a screen display
and the warning sound notify the
driver of the danger. Operate the
steering wheel according to the screen
display.
Instrument cluster
Active driving display
NOTE
The Blind Spot Assist may not
operate normally when any of the
following conditions is met.
The Forward Sensing Camera (FSC)
cannot detect target objects
correctly.
Driving
Emergency Lane Keeping (ELK)
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Refer to Forward Sensing Camera
(FSC) on page 5-127.
The rear side radar sensors cannot
detect target objects correctly.
Refer to Radar Sensors on page
5-131.
The width of the vehicle lane is
narrow or wide.
The vehicle is driven on a section
with a closed lane or temporary
lane due to construction.
The vehicle is driven on a forked
road or junction.
If the driver operates the steering
wheel while the steering wheel
operation assist is operating , the
steering wheel operation assist is
canceled.
When the Blind Spot Assist is
temporarily canceled
The Blind Spot Assist goes on stand-by
when any of the following conditions is
met. The Blind Spot Assist is
automatically restored when its
operation conditions are met.
The accelerator pedal is depressed
abruptly.
The brake pedal is depressed.The steering wheel is operated
abruptly.
The TCS/DSC is operating.The TCS/DSC is turned off.Multiple vehicles are traveling in the
detecting area near your vehicle.
Head-on traffic avoidance assist
*
The Head-on traffic avoidance assist
operates
When all the following conditions are
met, the Head-on traffic avoidance
assist operates to assist the steering
wheel operation.
The vehicle speed is about 64 km/h
(40 mph) or faster.
The vehicle is driven on a straight
road or gentle curve.
The system detects white (yellow)
lane lines on both sides.
The CTS steering assist function is
not operating.
The system determines that your
vehicle may collide with a vehicle
approaching in the oncoming lane.
While the steering wheel operation
assist is operating , the screen display
notifies the driver.
Instrument cluster (i-ACTIVSENSE
display)
Instrument cluster (Other than
i-ACTIVSENSE display)
Driving
Emergency Lane Keeping (ELK)
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