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http://www.wk2jeeps.com/wk2_Forward_Collision_Warning.htm
The Forward Collision Warning system is intended to perform the following:
- If the system detects the collision is likely it will proceed through the following progressive steps (The system will be suppressed if the driver intervenes.)
- Step 1 Pre-fill the brake system - This brings the brake pads closer to the rotors to allow quicker reaction time for the vehicle to stop.
- Step 2 - Audible and Visual warning ("!Brake!" message in the Cluster along with chimes from the Radio)
- Step 3 Brake Jerk - This is a haptic warning to the driver if they have not responded to the audible/visual warning
- Step 4 Collision Mitigation braking - Apply 1.5 seconds of .3G braking which is approximately 1/3 of the maximum braking capability of the vehicle.
If the driver does not respond to any of these steps the vehicle will continue toward the object and potentially impact the object in front. Advance Brake Assist If the driver does press the brake at any time during these steps and the system determines more brake force is required to avoid or mitigate the impact, the system will supplement additional brake force as required.
The Forward Collision Warning system is not intended to do the following:
- The system will not bring the vehicle to a complete stop!
- The system cannot account for all driving scenarios!
- The Active Braking will not react on stationary licensable vehicle unless determined by both the Forward Facing Camera and Radar.
- The Active braking will not react on Street Signs, Guard Rails, Pedestrians, Animals, or other stationary objects. You will receive an audible and visual alert only for these objects if conditions are met.
NOTE: The FCW alerts may be triggered on objects other than vehicles such as guard rails or sign posts based on the course prediction. This is expected and is a part of normal FCW activation and functionality.
NOTE: It is unsafe to test the FCW system. To prevent such misuse of the system, after 4 Active Braking events within a key cycle, the Active Braking portion of FCW will be deactivated until the next key cycle.
NOTE: The FCW system is intended for on-road use only. If the vehicle is taken off-road, the FCW system should be deactivated to prevent unnecessary warnings to the surroundings. If the vehicle enters 4WD Low Range, the FCW system will be automatically deactivated.