Symptom 2: The ICC System Cannot Be Set (On/Off Switch Turns On/Off).: Notes

WARNING: This page is about a different car, the 2004 Infiniti Q45 and 2003 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

The ICC cannot be set in the following cases.

When the vehicle speed is not in range of approx. 25 MPH (40 km/h) to 90 MPH (144 km/h).
When the A/T shift lever is in gears other than 'D'.
While the brake is in operation.