Rcta Function Detection Areas - Lexus RX 450H Owner's Manual

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4-5. Using the driving support systems

RCTA function detection areas

The areas that vehicles can be detected in are outlined below.
The buzzer can alert the driver of faster vehicles approaching from farther away.
Example:
Approaching vehicle
Fast
Slow
The RCTA function is operational when
■
The RCTA function operates when all of the following conditions are met:
The RCTA function is on.
●
The shift lever is in R.
●
The vehicle speed is less than approximately 5 mph (8 km/h).
●
The approaching vehicle speed is between approximately 5 mph (8 km/h) and 18 mph
●
(28 km/h).
RX450h_U_OM0E023U
Speed
18 mph (28 km/h)
5 mph (8 km/h)
Approximate
1
alert distance
65 ft. (20 m)
18 ft. (5.5 m)