The rear cross traffic alert functions when your vehicle is in reverse.
It can detect other vehicles approaching from the right or left rear of the vehicle. It uses radar sensors to alert the driver of the other vehicle’s existence through flashing the outside rear view mirror indicators and sounding a buzzer.

Caution
Cautions regarding the use of the system
The driver is solely responsible for safe driving. Always drive safely, taking care to observe your surroundings.
The rear cross traffic alert function is only an assist and is not a replacement for careful driving. The driver must be careful when backing up, even when using the rear cross traffic alert function. The driver’s own visual confirmation of behind you and your vehicle is necessary and be sure there are no pedestrians, other vehicles, etc. Before backing up. Failure to do so could cause death or serious injury.
According to conditions, the system may not function correctly. Therefore the driver’s own visual confirmation of safety is necessary.
The rear cross traffic
alert function
The rear cross traffic alert function detection areasInspection
   
	Inspect cylinder block for warpage
	Using a precision straightedge and feeler gauge,
	measure the warpage of the surface that is in
	contact with the cylinder head gasket.
Maximum warpage:
0.05 Mm (0.0020 In.)
If the warpage is greater than the maximum, replace
the cylinder block ...
   
Unlock warning switch
   
Inspection
	Inspect unlock warning switch assembly
	Measure the resistance of the switch.
Standard resistance 
If the result is not as specified, replace the switch
assembly.
Ecu power source circuit
Description
This circuit provides power to operate the transponder key ecu.
Wir ...
   
Rear seat inner belt assembly
   Components
Removal
	Remove rear seat leg cover
	Remove rear no. 2 Seat leg side cover
	Remove rear no. 3 Seat leg side cover (w/
	rear no. 2 Seat) (see page se-81)
	Remove rear no. 3 Seat leg side cover (w/o
	rear no. 2 Seat) (see page se-81)
	Remove rear no. 4 Seat leg side co ...