Distance & Speed Alert (Dsa) - Mazda 3 2019 Owner's Manual

When Driving
i-ACTIVSENSE
Distance & Speed Alert
(DSA)
▼ Distance & Speed Alert (DSA)
The DSA is a system which provides
advice for maintaining the appropriate
distance between vehicles and notifies the
driver of the recommended, safe distance
to maintain with a vehicle ahead. The
system measures the distance between
your vehicle and a vehicle ahead while the
vehicle speed is about 30 km/h (19 mph)
or faster. If the distance between your
vehicle and a vehicle ahead is close, the
system alerts the driver of a possible
collision using an indication on the
display.
WARNING
Do not rely completely on the DSA.
The ability of the system to detect a vehicle
ahead is limited depending on the type of
vehicle ahead, weather conditions, or
traffic conditions. In addition, the system is
not for maintaining the distance between
your vehicle and a vehicle ahead. If you
neglect to operate the accelerator and
brake pedals correctly, it could lead to an
accident. Always check the safety of the
surrounding area and depress the brake
pedal or accelerator pedal while keeping a
safe distance from vehicles ahead or
on-coming vehicles.
Operation conditions
The DSA operates when the following
conditions are all met.
The ignition is switched ON.

The DSA is turned on.

4-104
*Some models.
*
The shift lever (manual transmission

vehicle) or the selector lever (automatic
transmission vehicle) is in a position
other than R.
The vehicle speed is about 30 km/h (19

mph) or faster.
i-ACTIVSENSE status symbol

(warning/risk avoidance support system)
(green) is displayed.
NOTE
The objects which activate the system

are four-wheeled vehicles.
The DSA may also operate in the

presence of motorcycles and bicycles.
The DSA may not operate normally

when the speed of a vehicle ahead is too
slow.
The system does not operate with the

following objects.
Vehicles approaching in the opposite

direction.
Stationary objects (stopped vehicles,

obstructions)
The DSA can be set to inoperable.

(If only the DSA is turned off)

Refer to the Settings section in the
Mazda Connect Owner's Manual.
(If the DSA is turned off by operating

the i-ACTIVSENSE switch)
Refer to i-ACTIVSENSE Switch on
page 4-85.
When the ignition is switched OFF, the

system status before it was turned off is
maintained. For example, if the ignition
is switched OFF with the DSA operable,
the system will be operable when the
ignition is switched ON the next time.