Petrol Particulate filter.
Take it for a good run, to get it nice and hot.
Odds on it has only been used on short trips & like the diesel filter they get blocked and need a regen to clear them. If a 30 mile trip (M/Way is good) at good speed does not help then back to dealer.
Thanks I got battery charged (not entirely sure how it was almost flat)think the battery being flat thru up the key fault.cars only 3 yrs old 26500 .head scratcher but thanks for inputGot in car early this morning car wouldn’t start with ‘key not detected’ message on start up screen.changed batteries in both my key fobs no change apart from car battery now being low.any ideas.Kia ceed gt line 2018