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Home >> Land Rover >> 2015 >> Range Rover Autobiography >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Speed Control - V6 S/C 3.0L Petrol -- Range Rover/L405) >> Speed Control - V6 S/C 3.0L Petrol >> Speed Control (Description And Operation) >> Description And Operation >> Operation >> Intelligent Emergency Braking

Intelligent Emergency Braking

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Intelligent emergency braking reduces the impact velocity if the adaptive speed control module determines that a collision is unavoidable, even with driver intervention. It is not designed to prevent accidents from occurring. Typical activation of intelligent emergency braking is approximately 0.8 second before impact. During this 0.8 second period the speed of the sensing vehicle is reduced, thus reducing the impact energy.

If the adaptive speed control module determines a collision is unavoidable, it signals the ABS control module to apply emergency brake pressure to all of the brakes. On vehicles without active seatbelts, emergency brake pressure is 50 bar (725 lbf/in2 ) maximum. On vehicles with active seatbelts, emergency brake pressure is 100 bar (1450 lbf/in2 ) maximum.

When intelligent emergency braking is initiated the adaptive speed control module also signals the active seatbelt control modules to tighten the front seatbelts. For additional information, refer to: SAFETY BELT SYSTEM

After the intelligent emergency braking function has activated, it is then disabled, as the vehicle is assumed to be damaged. After the vehicle has been repaired, the intelligent emergency braking function can be re-enabled using Land Rover approved diagnostic equipment.

The intelligent emergency braking function operates at vehicle speeds down to zero, and will function even when forward alert and adaptive cruise control are switched off.

If the intelligent emergency braking feature is disabled for any reason, a related message is displayed in the message center.