The keyless entry system is a supplementary vehicle entry
device. Use the keyless entry system in conjunction with a door lock key.
Radio frequencies or discharged batteries may disable the system. Therefore,
always carry a door lock key.
Keyless entry allows you to operate the following components:
| • | The rear compartment lid release |
| • | The illuminated entry lamps |
| • | The panic alarm (instant alarm) |
The keyless entry system has the following main components:
| • | The remote function actuator (RFA) module |
When you press a button on a transmitter, the transmitter sends a signal
to the RFA module. The RFA module interprets the signal and activates the
requested function via a Class 2 message over the serial data line.
The keyless entry system operates in the following manner:
| • | Pressing the UNLOCK button once causes the following actions occur: |
| - | Unlock the driver's door. |
| - | Turn on the interior lamps if the ignition switch is OFF and the
ambient light level is low. |
| • | Pressing the UNLOCK button again (second operation) within 2 seconds
unlocks all the doors. |
| • | Pressing the LOCK button locks all of the doors. |
| • | Pressing the TRUNK button releases the rear compartment lid. |
| • | Pressing the PANIC button perform the following actions: |
| - | Flashes the park lamps for up to 30 seconds |
| • | Use one of the following procedures in order to deactivate the
panic mode: |
| - | Press the transmitter button. |
| - | Use the key in order to unlock the vehicle (for vehicles equipped
with content theft deterrent). |
| - | Turn the ignition switch to the RUN position. |
Rolling Code
The keyless entry system uses a rolling code technology. Rolling code
technology prevents anyone from recording the message sent from the transmitter
and using the message in order to gain entry to the vehicle. The term "rolling
code" refers to the way that the keyless entry system sends and receives
the signals. The transmitter sends the signal in a different order each time.
The transmitter and the RFA module are synchronized to the appropriate order.
If a programmed transmitter sends a signal that is not in the order that
the RFA module expects, then only the panic button will function.
