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Lexus ES 2015 - Page 284

Lexus ES 2015
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282
4-5. Using the driving support systems
The buzzer can alert the driver of
faster vehicles approaching from far-
ther away.
Example:
Q The RCTA function is operational when
The RCTA function operates when all of the
following conditions are met:
O The power switch is in ON mode.
O The RCTA function is on.
O The shift lever is in R.
O The vehicle speed is less than approxi-
mately 8 km/h (5 mph).
O The approaching vehicle speed is
between approximately 8 km/h (5 mph)
and 28 km/h (18 mph).
Q Setting the buzzer volume
The buzzer volume can be adjusted on the
multi-information display. (P.270)
Q Conditions under which the system will
not detect a vehicle
The RCTA function is not designed to
detect the following types of vehicles
and/or objects:
O Vehicles approaching from directly
behind
O Vehicles backing up in a parking space
next to your vehicle
O Vehicles that the sensors cannot detect
due to obstructions
O Guardrails, walls, signs, parked vehicles
and similar stationary objects
*
O Small motorcycles, bicycles, pedestrians,
etc.
*
O Vehicles moving away from your vehicle
O Vehicles approaching from the parking
spaces next to your vehicle
*
O The distance between the sensor and
approaching vehicle gets too close
*
: Depending on the conditions, detection
of a vehicle and/or object may occur.
Q Situations in which the system may not
operate properly
The RCTA function may not detect vehicles
correctly in the following situations:
O When the sensor is misaligned due to a
strong impact to the sensor or its sur-
rounding area.
O When mud, snow, ice, a sticker, etc., is
covering the sensor or surrounding area
Approaching vehi-
cle speed
Approximate
alert distance
28 km/h (18 mph)
(fast)
20 m (65 ft.)
8 km/h (5 mph)
(slow)
5.5 m (18 ft.)
A

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