It was a good size for my car and would fit perfectly with the ring around the start button. don't solve too fast too fast. But the recessed area of my button is slanted, concave and has a completely flat back so it just won't stay in place as it didn't get enough traction with the reversible ring, they're not their fault but you should check Make sure the ring around the start button is flat so it has a good seating surface.
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