256 5-4. Using the driving support systems
n Changes in brake operation sound and pedal response
lWhen the brakes have been operated, brake operation sounds may be heard and the brake pedal response may change, but this does not indicate a malfunction.
lWhen the system is operating, the
brake pedal may feel stiffer than expected or sink. In either situation the brake pedal can be
depressed further. Further depress the brake pedal as necessary.
n Situations in which the driver
monitor may not operate properly( if equipped)
In situations such as the following, the driver monitor camera may not be able to detect the driver’ s face, and the function may not operate properly.
lWhen the inside of the vehicle is hot, such as after the vehicle has
been parked in the sun
lWhen a very bright light, such as the sun or the headlights of following vehicle, shines onto the driver monitor camera
lWhen the brightness inside the vehicle changes frequently due to
the shadows of surrounding structures, etc.
lWhen a very bright light, such as
the sun or the headlights of an oncoming vehicle, is shining onto
the driver’ s face
lWhen light, either inside or outside of the vehicle, is being reflected from the lenses of eyeglasses or sunglasses
lWhen there are multiple faces in the detection range of the driver monitor camera, such as when a front or rear passenger is leaning toward the driver’ s seat
lWhen the driver’ s face is outside
of the detection range of the driver monitor camera, such as when leaned forward or when their head is outside of the window
lWhen the driver monitor camera is being blocked by the steering wheel, a hand holding the steering wheel, an arm, etc.
lWhen the driver is wearing a hat
lWhen the driver is wearing an eyepatch
lWhen the driver is wearing eyeglasses or sunglasses that do not
easily transmit infrared rays
lWhen the driver is wearing contact lenses
lWhen the driver is wearing a face mask
lWhen the driver is laughing or the driver’ s eyes are only slightly open
lWhen the driver’ s eyes, nose, mouth, or shape of their face is blocked
lWhen the driver is wearing
makeup which makes it difficult to detect their eyes, nose, mouth, or
shape of their face
lWhen the driver’ s eyes are blocked by the frame of eyeglasses, sunglasses, hair, etc.
lWhen there is a device inside the
vehicle that radiates near infrared rays, such as a non-genuine
driver monitoring system.
nCertification �P. 652