There is a procedure to recilbrate the system. Here is how that is done. Keep in mind that this is for the automatic climate control system. Feel free to contact me with any findings or problems! Good luck!
Ok, keep in mind that it may not be a bad idea to have this system scanned just to verify that there are no trouble codes present. As I said, this system is pretty advanced and can be pretty difficult to properly diagnose without the proper testing.