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 areasDiagnostic trouble code chart
Hint:
Parameters listed in the chart may be different than your
readings depending on the type of instrument and other
factors.
If any dtcs are displayed during a check mode dtc check,
check the circuit for the dtcs listed in the table below. For
details of each dtc, refer to the page indica ...
Position initialization incomplete
Description
This dtc is output when the sliding roof drive gear (sliding roof ecu) has
not been initialized.
Wiring diagram
Refer to dtc b2341 (see page rf-11).
Inspection procedure
Initialize sliding roof drive gear sub-assembly (sliding roof ecu)
Check that the sliding roof ...
Throttle / pedal position sensor / switch "d" circuit range / performance
Description
Hint:
Refer to dtc p2120 (see page es-282).
Monitor description
When the difference between the output voltages of vpa and vpa2 deviates from
the standard, the ecm
determines that the accelerator pedal position (app) sensor is malfunctioning.
The ecm turns on the mil
and th ...