Toyota Land Cruiser Prado 2013, Owner'S Manual, Page: 310 / 736

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4-5. Using the driving support systems
LC150_OM_OM60K29E_(EE)
CAUTION
 Conditions under which the vehicle-to-vehicle distance control may
not function correctly
Apply the brakes as necessary in the following conditions as the radar sen-
sor may not be able to correctly detect vehicles ahead, and a fatal or seri-
ous accident may result:
 When water or snow thrown up by the surrounding vehicles hinders the
functioning of the sensor
 When your vehicle is pointing upwards (caused by a heavy load in the lug-
gage compartment etc.)
 When the road curves or when the lanes are narrow
 When steering wheel operation or your position in the lane is unstable
 When the vehicle ahead of you decelerates suddenly
 Excessive exhaust gas (black smoke) is coming from the vehicle ahead or
other vehicles around you, obscuring your front view
 The rear section of the vehicle ahead is extremely dirty
 The vehicle ahead has higher ground clearance
 To ensure the sensor functions correctly
Do not do the following to the sensor or grille as doing so may cause the
sensor not to function correctly and could result in an accident:
 Sticking or attaching anything to them
 Leaving them dirty
 Disassembling or subjecting them to strong shocks
 Modifying or painting them
 Replacing them with non-genuine parts