Lexus Troubleshooting Questions? Ask a Lexus Expert
When you put it in reverse does the camera come on and show the display. If you stand next to the sensors while someone has it in reverse holding the brake can you get the sensors to set of the buzzer inside?
The blind spot monitor switch is the switch that turns the system on and the warning lights in the mirror for the blind spot system. If you just turned this on after you started the car it may not allow the cross traffic system to work. Here is the setting or turn on criteria:
●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).
Here are the conditions that may keep it from working. All of this can be found on about page 295 of your owners manual.
Conditions under which the Rear Cross Traffic Alert function will not detect a vehicleThe Rear Cross Traffic Alert function is not designed to detect the following types ofvehicles and/or objects.●Small motorcycles, bicycles, pedestrians etc.*●Vehicles approaching from directly behind●Guardrails, walls, signs, parked vehicles and similar stationary objects*●Vehicles moving away from your vehicle●Vehicles approaching from the parking spaces next to your vehicle*●Vehicles backing up in the parking space next to your vehicle**: Depending on conditions, detection of a vehicle and/or object may occur.■Conditions under which the Rear Cross Traffic Alert function may not functioncorrectlyThe Rear Cross Traffic Alert function may not detect vehicles correctly in the followingconditions:●During bad weather such as heavy rain, fog, snow etc.●When ice or mud etc. is attached to the rear bumper●When multiple vehicles approach continuously●Shallow angle parking●When a vehicle is approaching at high speed●When parking on a steep incline, such as hills, a dip in the road etc.●Directly after the BSM main switch is set to on●When items such as a bicycle carrier are installed on the rear of the vehicle●Directly after the engine is started with the BSM main switch on