Audi A4 Owners & Service Manuals

Audi A4: 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 preemptive safety measures during emergency braking and dangerous braking maneuvers as well as in unstable driving situations, such as over steering or understeering, Audi pre sense safety measures.

The message Audi pre sense will warn you about the danger.

WARNING

Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.

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 collision and brake the vehicle strongly, if necessary.

The system uses the camera behind the windshield and is available at speeds above approximately 6 mph (10 km/h).

Driving situations

The situations to which the system reacts depends 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 following situations:

  • A vehicle driving ahead clearly applies the brakes
  • When approaching a vehicle ahead that is clearly traveling more slowly
  • When approaching a stationary vehicle

Prewarning

To warn about detected dangers, Audi pre sense 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 system 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 collision.

If the brakes were applied until the vehicle stopped, Please take over! will appear in the instrument cluster and you must take over control of the vehicle.

WARNING

  • Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.
  • Audi pre sense cannot overcome natural physical laws. It is a system designed to assist and it cannot prevent a collision in every circumstance. The driver must always intervene.

    The driver is always responsible for braking at the correct time. Do not let the increased safety provided tempt you into taking risks. This could increase your risk of a collision.

  • Audi pre sense city does not react to certain objects, such as animals, crossing or oncoming vehicles, bars, railings, or railcars.
  • Audi pre sense may be limited or unavailable in curves or when it is dark.
  • Loose objects can be thrown around the vehicle interior during sudden driving or braking maneuvers, which increases the risk of an accident. Store objects securely while driving.

Tips

Certain system functions may not be available if the ESC is limited or switched off, if there is a malfunction, or if the hill hold assist* is switched on.

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