Dodge 2016 Challenger Owner's Manual page 176

174 UNDERSTANDING THE FEATURES OF YOUR VEHICLE
the vehicle is out of the curve the system will resume
your original Set Speed. This is a part of normal ACC
system functionality.
NOTE: On tight turns ACC performance may be limited.
Turn Or Bend Example
Using ACC On Hills
When driving on hills, ACC may not detect a vehicle in
your lane. Depending on the speed, vehicle load, traffic
conditions, and the steepness of the hills, ACC perfor-
mance may be limited.
ACC Hill Example