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 if the driver does not apply the brakes, an audible signal from the Collision Warning system will sound and warning light will illuminate (see page 174) in the windshield to alert the driver to react.
NOTE
Strong sunlight, reflections, extreme light contrasts, the use of sunglasses, or if the driver is not looking straight ahead may make the visual warning signal in the windshield difficult to see.
WARNING
Adaptive Cruise Control only warns of vehicles detected by the radar sensor, see page 160. In some cases there may be no warning or the warning may be delayed. The driver should always apply the brakes when necessary.
See also:
Air vents in the door pillars
a Closed
b Open
c Horizontal airflow
d Vertical airflow
Direct the outer air vents toward the side windows
to defrost.
Direct the vents into the passenger compartment
to help maintain the d ...
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 ...
