Overdrive Control Switch

The overdrive control switch is installed to the selector lever knob.

Fig 1: Overdrive Control Switch
Courtesy of NISSAN NORTH AMERICA, INC.
When the OD OFF indicator lamp on the combination meter is OFF and the overdrive control switch is pressed, the OD OFF is active and the OD OFF indicator lamp is ON.
When the OD OFF indicator lamp on the combination meter is ON and the overdrive control switch is pressed, the OD OFF is cancelled and the OD OFF indicator lamp is OFF.