Toyota RAV4 Owners Manual: The rear cross traffic alert function detection areas
The areas that vehicles can be detected in are outlined below.
To give the driver a more consistent time to react, the buzzer can alert for faster vehicles from farther away.
Example: 
The rear cross traffic alert function is operational when
- 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).
Conditions under which the rear cross traffic alert function will not detect a vehicle
The rear cross traffic alert function is not designed to detect the following types of vehicles 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 function correctly
The rear cross traffic alert function may not detect vehicles correctly in the following conditions:
- When ice, mud, etc. Is attached to the rear bumper
- During bad weather such as heavy rain, fog, snow, etc.
- 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
- Directly after the engine is started with the bsm main switch on
- When towing a trailer
- Vehicles that the sensors cannot detect
because of obstacles
The rear cross traffic alert function
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 driv ...
Driving tips
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Other materials:
Wheels
If a wheel is bent, cracked or heavily corroded, it should be
replaced. Otherwise, the tire may separate from the wheel or
cause a loss of handling control.
Wheel selection
When replacing wheels, care should be taken to ensure that they are
equivalent to those removed in load capacity, diameter ...
Control module communication bus off
Description
Inspection procedure
The skid control ecu inputs the signals from the ecm, steering angle sensor,
and yaw rate and
acceleration sensor via can communication system.
Check harness and connector (momentary interruption)
Using the data list of the intelligent test ...
Stop light switch circuit
Description
When the stop light switch is turned on, current flows to the stop lights to
illuminate them.
Wiring diagram
Inspection procedure
Inspect fuse (stop)
Remove the stop fuse from the instrument panel
junction block.
Measure the resistance of the fuse.
Standard resi ...