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Acute warning (visual, acoustic and tactile)
If the driver fails to respond to the prewarning by braking, the acute warning is output soon afterward, consisting of a jolt of the brakes and simultaneous visual and acoustic warnings.
A braking jolt is initiated by means of a very rapid build-up of brake pressure in order to draw the driver’s attention to the traffic situation.
The driver can then take the appropriate evasive action to avoid a collision.
Chance of collision with the vehicle ahead
In the situations described below it is assumed that the driver is alert and that the prewarning and acute warning functions are suppressed:
Switching Porsche Active Safe (PAS) warnings on/off
The latent warning and prewarning are deactivated by default; the acute warning is active. To switch on the latent warning and prewarning on the multifunction display: