PATS Antennas
There are 3 PATS antennas. The PATS antennas are wired to the RFA module. When activated by the RFA module, they transmit a low frequency signal that activates a passive key.
When activated, each PATS antenna sends out a low frequency signal with an approximate range of 1 m (3 ft). A programmed passive key must be in range of 1 of the 3 antennas for the PATS to operate
If a passive key is placed in the far outside edges of the interior, such as above a sun visor or in a door map pocket, the vehicle can experience a PATS concern. If the passive key is located in one of these areas and there is a PATS concern, move the passive key out of the area and attempt to transition the ignition on. If the key is outside the range of the PATS antennas when the START/STOP button is pressed, the Key not detected message displays in the message center.
Additionally, the PATS center antenna is used to transmit the key identification code to the RFA module when a passive key is placed in the backup starting location in the event of a passive key battery failure.