See also:

Situations where ACC may not function optimally
WARNING The radar sensor has a limited field of vision. In some situations it may detect a vehicle later than expected or not detect other vehicles at all. If ACC is not functioning prop ...

Limitations
In certain situations, the BLIS indicator light(s) may illuminate even when there are no other vehicles in the area monitored by the system. NOTE If the BLIS indicator lights illuminate occasional ...

Warning light—driver braking required
Adaptive Cruise Control can exert brake force that is equivalent to approximately 40% of the vehicle's total braking capacity. In situations requiring more brake force than ACC can provide and ...