2018 TOYOTA YARIS HATCHBACK Owners Manual

1854-5. Toyota Safety Sense C
4
Driving
• When using an automatic car wash
• When there are patterns or paint on the road or a wall that may be mis-taken for a vehicle
• When rapidly closing on an electric
toll gate barrier, parking area barrier,
or other barrier that opens and closes
• When approaching a low hanging object that may contact the vehicle,
such as a banner, tree branches or
thick grass
• When the vehicle is hit by water, snow, dust, etc. from a vehicle ahead
• When driving through steam or smoke
• When the front part of the vehicle is raised or lowered

1864-5. Toyota Safety Sense C
• When the sensor is misaligned due toa strong impact being applied to the
sensor, etc.
• When the vehicle is being parked in a place where there is a low hanging
object at the height of the front sensor
• When the windshield is covered with raindrops, etc.

1874-5. Toyota Safety Sense C
4
Driving
■Situations in which the system may not operate properly
●In some situations such as the following, a vehicle may not be detected by
the front sensor, preventing the system from operating properly:
• If an oncoming vehicle is approaching your vehicle
• When approaching the side or front of a vehicle
• If a preceding vehicle has a small rear end, such as an unloaded truck
• If a vehicle ahead is carrying a load which protrudes past its rear bumper
• If a vehicle ahead is irregularly shaped, such as a tractor or side car
• If the sun or other light is shining directly on a vehicle ahead
• If a vehicle ahead makes an abrupt maneuver (such as sudden swerving,
acceleration or deceleration)
• When suddenly cutting behind a preceding vehicle • If a preceding vehicle has a low rear end, such as a low bed trailer
• If a vehicle ahead has extremely high ground clearance
• If a vehicle cuts in front of your vehicle or emerges from beside a vehicle

1884-5. Toyota Safety Sense C
• When the vehicle is hit by water, snow, dust, etc. from a vehicle ahead
• When driving through steam or smoke that may obscure vehicles ahead
• When driving in a place where the surrounding brightness changes sud-denly, such as at the entrance or exit of a tunnel
• While driving on a curve and for a certain amount of time after driving on a curve
• When a vehicle ahead is not directly
in front of your vehicle
• When driving in inclement weather such as heavy rain, fog, snow or a
sand storm
• When a very bright light, such as the sun or the headlights of oncoming
traffic, shines directly into the front
sensor
• When the surrounding area is dim, such as at dawn or dusk, or while at
night or in a tunnel

1894-5. Toyota Safety Sense C
4
Driving
• If the wheels are misaligned
• If a wiper blade is blocking the front sensor
• The vehicle is wobbling.
• The vehicle is being driven at extremely high speeds.
• When driving on roads with sharp bends or uneven surfaces
• When a preceding vehicle is a poor reflector of laser
● In some situations such as the following, sufficient braking force may not be
obtained, preventing the system from performing properly:
• If the braking functions cannot operate to their full extent, such as when
the brake parts are extremely cold, extremely hot, or wet
• If the vehicle is not properly maintained (brakes or tires are excessively worn, improper tire inflation pressure, etc.)
• When the vehicle is being driven on a gravel road or other slippery sur-
face
• If your vehicle is skidding
• When the front part of the vehicle is
raised or lowered
• When the sensor is misaligned due to a strong impact being applied to the
sensor, etc.

1904-5. Toyota Safety Sense C
■If the PCS warning light flashes or illuminates
The pre-collision system may be tempor arily unavailable or there may be a
malfunction in the system.
● In the following situations, the warning light will be cleared and the system
will become operational when normal operating conditions return:
• When the area around the front sensor is hot, such as after the vehicle
has been parked in the sun
• When the windshield is fogged up or covered with condensation or ice
• When the front sensor or the area around either sensor is cold, such as in an extremely cold environment
• If the area in front of the front sensor is obstructed, such as when the hood is open
● If the PCS warning light continues to flash or illuminate, the system may be
malfunctioning. Have the vehicle inspected by your Toyota dealer immedi-
ately.
■ If VSC is disabled
●If TRAC and VSC are disabled ( →P. 217), the pre-collision brake assist and
pre-collision braking functions are also disabled. However, the pre-collision
warning function will still operate.
● The PCS warning light illuminates.

1914-5. Toyota Safety Sense C
4
Driving
LDA (Lane Departure Alert)∗
While driving on a road that has la ne markers, this system recognizes
the lane markers using a camera as a sensor to alert the driver when
the vehicle deviat es from its lane.
If the system judges that the ve hicle has deviated from its lane, it
alerts the driver using a buzzer and indications on the meter.
Front sensor
Press the LDA switch to activate
the system.
The LDA indicator will come on.
Press the switch again to turn the
LDA system off.
The LDA system will remain on or
off even if the engine switch is
turned to “ON” position.
∗: If equipped
Summary of function
Turning the LDA system on

1924-5. Toyota Safety Sense C
●When the vehicle speed is approximately 32 mph (50 km/h) or
more
● When the lane width is more than approximately 9.8 ft. (3 m)
● When driving on a straight road or through a curve with a radius of
more than approximately 492 ft. (150 m)
When both of the lane marker
indicators turn green:
Indicates that both right and left
lane markers are recognized.
If the vehicle deviates from the
lane, the lane marker indicators of
the deviated side will flash yellow.
When either of the lane marker
indicators turns green:
Indicates that the lane marker on
the green-marked side is recog-
nized.
If the vehicle deviates from a lane
on the side with the recognized
lane markers, the lane marker indi-
cators will flash in yellow.
When both of the lane marker
indicators turn off:
Indicates that no lane markers are
recognized or the LDA system is
temporarily canceled.
Operating conditions
Indication on the meter