I have a 22 plate kia sportage petrol currently driven 4 5k miles filter issue now been displayed 3 times dealer cleared display first time second time I cleared myself with 50 mile drive on motorway in 4th gear at 70mph 1 month later exhaust filter regenerate display back on very disappointed driving far for no purpose but to try and clear a fault will be visiting dealership and then contacting Kia direct for resolution