Pksa (Parking Support Alert); Lexus Parking Assist-Sensor; Rcta (Rear Cross Traffic Alert) - Lexus RX 450h Owner's Manual

unnecessarily detecting a vehicle and/or
object may increase in the following situ-
ations:
• When the sensor is misaligned due to a
strong impact to the sensor or its sur-
rounding area
• When the distance between your vehicle
and a guardrail, wall, etc. that enters the
detection area is short
• When driving up and down consecutive
steep inclines, such as hills, dips in the
road, etc.
• When vehicle lanes are narrow, or when
driving on the edge of a lane, and a vehi-
cle traveling in a lane other than the adja-
cent lanes enters the detection area
• When driving on roads with sharp bends,
consecutive curves, or uneven surfaces
• When the tires are slipping or spinning
• When the distance between your vehicle
and a following vehicle is short
• When an accessory (such as a bicycle
carrier) is installed to the rear of the vehi-
cle
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4-5. Using the driving support systems
PKSA (Parking Support
*
Alert)
*
: If equipped
The Parking Support Alert system
consists of the following functions
that operate when driving at a low
speed or backing up, such as when
parking. When the system deter-
mines that the possibility of a colli-
sion with a detected object or such
as a wall is high, a warning operates
to urge the driver to take evasive
action.

PKSA (Parking Support Alert)

system
Lexus parking assist-sensor (if
■
equipped)
Ultrasonic sensors are used to detect
static objects in the detection area
when driving at a low speed or backing
up. (P.347)

RCTA (Rear Cross Traffic Alert)

■
function (if equipped)
Rear side radar sensors are used to
detect approaching vehicles in the
detection areas behind the vehicle
when backing up. (P.353)
Setting the buzzer volume
Adjusting the buzzer volume
■
The buzzer volume can be adjusted on
the multi-information display. The vol-
ume of buzzers for the Lexus parking
345
4