Audi A4 2023 - Page 149

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Driver assistance
= There are passengers with unfastened
safety belts
— After turning on the ignition, as long as
the [J indicator light is on.
— When driving in reverse.
~The front passenger's airbag is switched
off
= There is an airbag control module mal-
function
— System functions may not be available if
the ESC is limited or switched off, or if
there is a malfunction.
Audi pre sense basic
Applies to: vehicles with Audi pre sense basic
Audi pre sense basic is automatically active at
speeds of approximately 20 mph (30 km/h) and
higher. Audi pre sense basic can trigger preemp-
tive safety measures during emergency braking
and dangerous braking maneuvers as well as in
unstable driving situations, such as oversteering
or understeering page 146, Audi pre sense
safety measures.
The message Audi pre sense [will warn you
about the danger.
Observe the safety precautions and note the
limits of the assist systems, sensors, and
cameras page 120.
Audi pre sense city
Applies to: vehicles with Audi pre sense city
Within the limits of the system, Audi pre sense
city can warn about an impending front end colli-
sion and brake the vehicle strongly, if necessary.
The system uses the camera behind the wind-
shield and is available at speeds above approxi-
mately 6 mph (10 km/h).
Driving situations
The situations to which the system reacts de-
pends on the vehicle speed.
Automatic braking interventions are available at
vehicle speeds up to approximately 52 mph
(85 km/h).
Up to speeds of approximately 52 mph
(85 km/h), the system may react to the following
situations:
— Pedestrians are moving inside your lane
Up to speeds of approximately 155 mph
(250 km/h), the system may react to the follow-
ing situations:
~Avehicle driving ahead clearly applies the
brakes
—When approaching a vehicle ahead that is clear-
ly traveling more slowly
—When approaching a stationary vehicle
Prewarning
To
warn about detected dangers, Audi pre
sense [J will appear in the instrument cluster
and an audio signal will sound.
A brief application of the brakes
If a collision is imminent, there may be an acute
warning using a brief application of the brakes.
You will also be warned about the danger by an
indicator in the instrument cluster display. You
may only be able to avoid a collision by swerving
or braking strongly.
Automatic braking force increase
If there is an impending collision and you are not
applying the brakes enough, the braking force
may be increased, depending on the situation.
Automatic braking
If you do not react to the acute warning, the sys-
tem may apply the brakes with strong braking
force within the limits of the system in order to
reduce the speed of impact in the event of a colli-
sion.
If the brakes were applied until the vehicle stop-
ped, [J Please take over! will appear in the in-
strument cluster and you must take over control
of the vehicle.
— Observe the safety precautions and note the
limits of the assist systems, sensors, and
cameras > page 120.
147