We need much more information. I assume we are talking about the 2019 Standards. Is this a new garage, or a newly conditioned existing Garage? Is it attached or detached? How is it going to be heated? Will it continue to be a garage, or converted to living space?
If you intend to keep a roll-up door for auto access, check out the mandatory door requirements in Title-24 Part 6, Section 110.6. (especially 110.6(a)1.)!