The Rear Cross Traffic Alert Function Detection Areas; The Rear Cross Traffic Alert Function Is Operational When - Lexus GS350 Owner's Manual

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4-5. Using the driving support systems

The Rear Cross Traffic Alert function detection areas

The areas that vehicles can be detected in are outlined below.
To give the driver a more consistent time to react, the buzzer can alert for
faster vehicles from farther away.
Example:
Approaching vehicle
Fast
Slow

The Rear Cross Traffic Alert function is operational when

■
The BSM main switch is set to on.
●
The shift lever is in R.
●
Vehicle speed is less than approximately 5 mph (8 km/h).
●
Approaching vehicle speed is between approximately 5 mph (8 km/h) and 18 mph
●
(28 km/h).
GS350_OM_OM30D41U_(U)
Speed
18 mph (28 km/h)
5 mph (8 km/h)
1 Approximate
alert distance
65 ft. (20 m)
18 ft. (5.5 m)