See also:

Initialization
Items to initialize The following items must be initialized for normal system operation in cases such as after the battery is reconnected, or maintenance is per- formed on the vehicle. ...

General maintenance
Listed below are the general maintenance items that should be per- formed at the intervals specified in the “Warranty and Services Guide” or “Owner’s Manual Supplement”. It is recommended ...

Radar sensor
The radar sensor detects vehicles or other obstacles on or near the road ahead and determines whether a collision is imminent based on the position, speed, and heading of the obstacles. ...