Can i mix different engine oil brand for top? I got my car service with Enoc with some gold or premium something oil, now im in abu dhabhi and need a oil top maybe half liter, can i use adnoc lube oil with enoc brand or should i go back to dubai to buy same enoc brand. of course i will use same spec oil as mentioned by kia and as used by enoc guys in last service sticker, thanks guys urgent help is nice.