Damaged the driver's side of being hot and cold air motor switch. Switch can be mechanically or all of the motor to change. mechanics switch would disable the driver's side of the climate control button.
Running the Risk of being an Andy Gray...lol...?...Because the passenger side is her side and the drivers side is yours...?
Do a search on HEVAC problems or blend motors...It sounds like a blend motor not working....
Try working the switches for a while and see if it comes back to life....i press a different heater switch on my heater every day just to keep things moving...go up and down with the drivers heat setting too...