KW Suspension Electronic Suspension Cancellation Kits allow you to disable dash warning lights when you disconnect your cars electronic suspension in order to replace it with upgraded performance parts.Application specific to ensure vehicle compatiblilityDisables Engine management/warning lights when replacing the factory dampersSupports the fitting of upgraded performance parts If you want to upgrade the suspension on a car with electronic suspension from the factory, and aren't opting for parts that plug into the original factory system, then you will want to fit a cancellation kit.Otherwise, the vehicle will detect that the original shock absorbers are no longer plugged in and show a warning light.Using a kit like this will give you a much wider choice of upgraded suspension, freeing you from the need to buy something that plugs into the original system.Kits are all application-specific and plug directly into the original plugs on the vehicles wiring loom.