There is room for the smaller pieces, although most likely cover up some of the text & symbols. I recommend .25" or smaller to look best with the text & symbols.
OK, the CT is awesome. But I always felt there should be button "locations" on the steering wheel. So, I bought these gem stickers on Amazon. After 3 weeks, I will continue to use them. I placed 3 on the left side (left turn signal, right turn signal, & high beams), and 3 on the right side...