ACC Not Available

Several conditions exist which can cause ACC to deactivate or prevent ACC from activating when requested. These conditions include:
• The sensor is blocked, refer to Blocked sensor in this section.
• Brake temperature is high, refer to Hilly condition usage in this
section.
• A failure has occurred in the ACC system or related system.
See also:
Operating tips
• To reduce fog build-up on the windshield during humid weather,
select (defrost).
• To reduce humidity build-up inside the vehicle: do not drive with the
system off or with recirculated air en ...
Special instructions
For your added safety, your vehicle is fitted with sophisticated electronic
controls.
WARNING: Please read the section Airbag Supplemental
Restraint System (SRS) in the Seating and Safety Restrai ...
First generation (1998–2002)
The 1998 Navigator introduced the concept of the American luxury SUV,
competing at first with only the Land Rover Range Rover. It was trimmed with
leather, wood, and fine carpeting, but its humble ...
