ICC System Cannot Be Set (Main Switch Turns On/Off): Description

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

The MAIN switch can be turned ON/OFF, but the ICC system cannot be set even if the SET/COAST switch is pressed.

NOTE: The system cannot be set in the following case.

When the vehicle ahead is not detected below the speed of 32 km/h (20 MPH).
When the selector lever is not in the "D" position or manual mode.
When the front wipers are operating at HI.
(If the vehicle is equipped with a rain sensing auto-wiper, the system may cancel when the wipers are set to AUTO)
When the brake pedal is depressed.
When driving into a strong light (i.e., sunlight).
When the VDC is turned OFF.
When ABS or VDC (including the TCS) operates.
When a wheel slips.
When SNOW mode switch is turned ON.
When ABS warning lamp is ON.
When 4WD shift switch is not AUTO position.