Lexus GS350 Owner's Manual page 289

BSM main switch
1
Pressing the switch turns the system on or off. When the switch is set to on, the
switch' s indicator illuminates and the buzzer sounds. Common switch for Blind
Spot Monitor function and Rear Cross Traffic Alert function.
Outside rear view mirror indicators
2
Blind Spot Monitor function:
When a vehicle is detected in the blind spot, the outside rear view mirror indicator
comes on while the turn signal lever is not operated and the outside rear view mir-
ror indicator flashes while the turn signal lever is operated.
Rear Cross Traffic Alert function:
When a vehicle approaching from the right or left rear of the vehicle is detected,
the outside rear view mirror indicators flash.
Rear Cross Traffic Alert buzzer (Rear Cross Traffic Alert function only)
3
When a vehicle approaching from the right or left rear of the vehicle is detected, a
buzzer sounds from behind the rear seat.
GS350_OM_OM30D41U_(U)
4-5. Using the driving support systems
289
4