5-4. Using the driving support systems
313
WARNING
lIn certain situations, a message urging the driver to hold the steering wheel may be displayed by the Traffic Jam Assist
function. In this case, hold the steering wheel and drive the vehicle manually to ensure
safety.
lThe Traffic Jam Assist function cannot detect the following
objects. Operate the steering wheel, accelerator pedal, or
brake pedal as necessary to
avoid a collision. As the function will not be able to provide
appropriate control, using it may lead to an accident resulting in death or serious injury.
• Objects on the road surface
• Vehicles outside of a lane( such as on the shoulder of the road)
• Potholes, cracks, ruts, or other road damage
• Road construction zones
• Vehicles running in parallel with your vehicle or nearby walls
• Animals
n Situations in which Traffic Jam Assist Function should not be used
Do not use Traffic Jam Assist Function in situations such as the following. As the system will not
be able to provide appropriate control, using it may lead to an accident resulting in death or serious injury.
n When it is necessary to disable the system
�P. 249 n Situations in which the sensors may not operate properly
�P. 254
n Situations in which the lane may not be detected
�P. 255
n Situations in which the function may not operate properly
In situations such as the following, the Traffic Jam Assist function
may not operate properly. Manually operate the vehicle as necessary.
lWhen a sensor is splashed by water
lWhen the ambient temperature is high or low
lWhen a vehicle cuts in front of your vehicle
lWhen another lane merges into
the lane in the same traveling direction as your vehicle
lWhen driving in low visibility conditions
lWhen the vehicle posture is changing
lWhen the traction on the road surface differs greatly between
the left and right side tires
lWhen driving on an expressway
with no median strips or when driving on an expressway
equipped with temporary median markers, such as poles.
lWhen there is a significant difference in speed between your vehicle and the other vehicle
lThe map data has not been updated properly.
5
Driving