"Button Tone/Beep Response" Mode

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

If beep is required, select "On".
If no beep is required, select "Off".

Fig 1: Displaying Button Tone/Beep Response Mode
Courtesy of NISSAN MOTOR CO., U.S.A.