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:
Troubleshooting
Why isn’t APA searching for a parking space?
• You may have deactivated the AdvanceTrac system.
• One of the doors (except the driver’s door) may not be securely
closed.
Why doesn’t APA offer a ...
Safety
All-disc antilock brakes and dual-stage front airbags are standard. A
curtain-type airbag Safety Canopy system enhances occupant protection in side
impacts and rollovers. The revised rear park-ass ...
More capable braking system
To match the engine's extra power and the suspension's additional handling
capabilities, Lincoln has significantly upgraded the MKT braking system for
2013. The new vented front discs measure 13.86 ...
