Windshields let in a large amount of solar energy, so they are a common question, particularly on models with a deep front glass area. Windshield film is regulated separately from side and rear windows, so check the current state requirements before deciding, and talk to your installer about what is appropriate for your model and year. Because Kepler's nano-ceramic films do not depend on a dark shade to manage heat, a very light option is usually the one under discussion here.
Tesla window tinting in Holiday Nano-ceramic film, UV filtering, heat and glare reduction