I have a few words of caution. I use the pressure sprayer all the time (Greenworks 1.7). However, I took my car to a touchless car wash last winter and I sustained a leak around the C pillar near the window. Not sure if this is due to the frameless nature of the window, but I never have experienced this with any other frame less window. It was sealed by Tesla, but I have since avoided pressure spraying around the windows.
I wouldn't worry about blowing paint off or damaging the vehicle, but when I'm