I'm buying a used approved vehicle. When I test drove it today, it has been "professionally" valeted and they have used some kind of synthetic spray all over the interior plastics and leather, including the steering wheel and gear lever.
The feeling of it on the steering wheel is positively horrible. It feels somewhat sticky, and yet slippery at the same time; it's almost like they wiped vegetable oil all over the interior! It does shine though, although why you would want a shiny interior baffles me.
What can I do or what product/substance can I use to remove this stuff from the interior plastics and leather safely?
I had in mind to use WD40 on paper towel. Is that safe for leather, plastics, etc, and will it not just add "greasiness"? Thanks.
Update - The Results
After trying these, and other suggestions, I found the best thing was alcohol-based LCD screen wipes. Everything else left it's own residue of sorts, although a leading brand baby wipe, the "pure" variety (no fragrance, no moisturiser, etc), proved to be second-best.
I used the screen wipes, buffing afterwards with a cotton towel, and it worked perfectly. It does need a bit of elbow-grease so be prepared. The best quote I got to remove this professionally was £75 so I guess a £3 pack of wipes and an hour's work was worth it! Thanks for the suggestions.