V
VicTek
I've been using Castrol synthetic oil in my Elantra. When I went for an oil
change recently and asked for regular oil I was told that since they had
been putting synthetic in my car they would not switch back to regular oil.
Would it in fact put the engine at risk to use regular oil?
change recently and asked for regular oil I was told that since they had
been putting synthetic in my car they would not switch back to regular oil.
Would it in fact put the engine at risk to use regular oil?