Key Outside Car Message

When the ignition is in RUN and a door or liftgate/luggage compartment lid is opened and then closed, the RFA module activates all of the PATS antennas to search the inside of the vehicle for a passive key. If a passive key is no longer detected inside the vehicle, the Key outside car message displays in the message center.

This strategy deters the passive key from being separated from an already running vehicle. If a passive key is no longer in the vehicle, the ignition remains in ON and the vehicle continues to run. If the START/STOP button is pressed to turn the ignition OFF, the vehicle can be restarted without a passive key present inside the vehicle for approximately 10 seconds. After 10 seconds a passive key must be present to transition the ignition out of OFF. If the driver door is opened during the 10-second countdown, a valid programmed passive key is needed to restart the vehicle.

Component Description

Passive Key

The passive key incorporates both the PATS and the RKE transmitter functions in a single device. The passive key must be located inside the vehicle for the ignition to transition out of OFF and on the outside for passive entry features. During key programming procedures, the PATS and RKE transmitter of the passive key are both programmed into the RFA module. The vehicle accepts programming of up to 8 passive keys.

The passive key also contains a removable key blade that can be used to unlock the driver door in the event of an electrical failure (such as a drained battery).

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.

NOTE: Some brands/types of mobile phone or laptop computer chargers may cause interference that could lead to a PATS no-start if the passive key is within a few inches of the charger. If a concern is observed, move the passive key away from the charger and attempt to start the vehicle.

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.

RFA Module

If the RFA module is replaced, program at least 2 keys and carry out the PMI and the parameter reset procedures .

PCM

When the PCM is replaced, carry out the PMI and the parameter reset procedures .

BCM

If the BCM is replaced, carry out the PMI and the parameter reset procedures .