Have you tried this:
Adjusting the response positions of the touch panels (Touch Panel Calibration)
If you feel that the touch panel keys on the screen deviate from the actual positions that respond to your touch, adjust the response po- sitions of the touch panel. There are two ad- justment methods: 4-point adjustment, in which you touch four corners of the screen; and 16-point adjustment, in which you make fine-adjustments on the entire screen.
! Park your car in a safe place and use this function. Do not operate it while driving.
! Touch the screen gently for adjustment. Forcefully p