Lexus LS460 Owner's Manual page 393

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4-5. Using the driving support systems

Conditions under which the Blind Spot Monitor function may not function

The Blind Spot Monitor function may not detect vehicles correctly in the

following conditions:

• During bad weather such as heavy rain, fog, snow etc.

• When ice or mud etc. is attached to the rear bumper

• When driving on a road surface that is wet due to rain, standing water

• When there is a significant difference in speed between your vehicle and

the vehicle that enters the detection area

• When a vehicle is in the detection area from a stop and remains in the

detection area as your vehicle accelerates

• When driving up or down consecutive steep inclines, such as hills, a dip

in the road etc.

• When multiple vehicles approach with only a small gap between each

• When vehicle lanes are wide, and the vehicle in the next lane is too far

away from your vehicle

• When the vehicle that enters the detection area is traveling at about the

same speed as your vehicle

• When there is a significant difference in height between your vehicle and

the vehicle that enters the detection area

• Directly after the BSM main switch is set to on

Instances of the Blind Spot Monitor function unnecessarily detecting a

vehicle and/ or object may increase under the following conditions:

• When there is only a short distance between your vehicle and a guardrail,

• When there is only a short distance between your vehicle and a following

• When vehicle lanes are narrow and a vehicle driving 2 lanes across from

your vehicle enters the detection area

• When items such as a bicycle carrier are installed on the rear of the vehi-

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