Page 257 of 592
2574-5. Toyota Safety Sense
UK AURIS_HV_HB_EE (OM12K47E)
4
Driving
• When driving on a narrow path surrounded by a structure, such as in atunnel or on an iron bridge
• When passing extremely close to a
vehicle or structural object
• When there is a vehicle or object by the roadside at the entrance of a
curve
• When there is a reflective object (manhole cover, steel plate, etc.),
steps, dip, or a protrusion on the road
surface or roadside
• When passing through a place with a low structure above the road (low ceil-
ing, traffic sign, etc.)
• When there is a structural object (overpass, traffic sign, billboard,
street light, etc.) at the top of an uphill
road
Page 258 of 592
2584-5. Toyota Safety Sense
UK AURIS_HV_HB_EE (OM12K47E)• When using an automatic car wash
• When there are patterns or paint on t
he 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
Page 259 of 592
2594-5. Toyota Safety Sense
UK AURIS_HV_HB_EE (OM12K47E)
4
Driving
• 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.
Page 260 of 592

2604-5. Toyota Safety Sense
UK AURIS_HV_HB_EE (OM12K47E)■
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
Page 261 of 592
2614-5. Toyota Safety Sense
UK AURIS_HV_HB_EE (OM12K47E)
4
Driving
• 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
Page 262 of 592

2624-5. Toyota Safety Sense
UK AURIS_HV_HB_EE (OM12K47E)• 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.
Page 263 of 592

2634-5. Toyota Safety Sense
UK AURIS_HV_HB_EE (OM12K47E)
4
Driving
■If the PCS warning light flashes and a warning message is displayed on
the multi-information display
The pre-crash safety system may be temporarily unavailable or there may be
a malfunction in the system.
●In the following situations, the warning light will turn off, the message will
disappear and the system will beco me operational when normal operating
conditions return:
• When the area around the front sensor is hot, such as in the sun
• When the windshield is fogged up or covered with condensation or ice (→ P. 384)
• 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 sens or is obstructed, such as when the
hood is open
● If the PCS warning light continues to flash or the warning message is not
cleared, the system may be malfunctioning. Have the vehicle inspected by
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional immediately.
■ If VSC is disabled
●If TRC and VSC are disabled ( →P. 307), the pre-crash brake assist and pre-
crash braking functions are also disabled. However, the pre-crash warning
function will still operate.
● The PCS warning light illuminates and “Pre-Crash Brake is disabled due to
VSC OFF.” is displayed on the multi-information display.
Page 264 of 592
2644-5. Toyota Safety Sense
UK AURIS_HV_HB_EE (OM12K47E)
When driving on roads with white (yellow) lines, this function alerts the
driver when the vehicle might depart from its lane.
The LDA system recognizes visi-
ble white (yellow) lines with the
front sensor on the upper portion
of the windshield.
When the system determines that
the vehicle might depart from its
lane, a warning is displayed on
the multi-information display and
the warning buzzer sounds to
alert the driver.
When the warning buzzer sounds,
check the surrounding road situa-
tion and carefully operate the
steering wheel to move the vehicle
back to the center within the white
(yellow) lines.
LDA (Lane Depar ture Alert)∗
∗: If equipped
Summary of function
Lane departure alert function