The sensitivity of the passenger seat belt warning is way too high. I can't even set my cell phone on the passenger seat without the warning sound beeping at me that the passenger seat belt needs to be fastened. It is extremely annoying that I can't set anything... ANYTHING... even a cell phone, on the passenger seat without the car thinking somebody is sitting there. It's also annoying to have to fasten the seat belt even if nobody is sitting in the car with me.