When I try to insert the ignition key into my 2013 Cruze it doesn't slide right in like my 2017 Cruze did (which was totalled in a parking lot when a lady slammed into it with her GMC Terrain, and I bought the 2013 with the settlement money), I have to jiggle it around, would it be a good idea to try Houdini spray? I see online WD 40 gunks things up.

 

yeah try some lube spray, or if the key is freshly cut it may just need to be touched with a wire wheel