For 1990-2009 cars

The keyless entry system is a supplementary vehicle entry device. Radio frequency interference or discharged batteries may disable the system.

Keyless entry allows you to operate the following features:

• | The door locks

• | The Remote trunk release - Press and hold the trunk release button to release deck lid. The transmission must be in park for this feature to operate.

• | The illuminated entry lamps

• | The panic alarm

• | Remote start (when installed)

The keyless entry system has the following main components:

• | The transmitters

• | The Remote Function Actuator (RFA) - When you press a button on the transmitter, the transmitter sends a signal to the RFA. The RFA receives the signal and sends a GMLAN serial data message requesting the appropriate function to the BCM.

### Unlock Driver Door Only

Momentarily press the UNLOCK button in order to perform the following functions:

• | Unlock the driver door only.

• | Illuminate the interior lamps for approximately 20 seconds or until the ignition is turned ON.

• | Flash all the direction indicators if the ignition is turned OFF and the doors are closed.

• | Identify the driver to the Driver Information Center (DIC). The DIC will then revert to the station presets, the last station, the last volume settings, and the last playback mode used by that driver.

### Unlock All Doors - Second Operation

Momentarily press the UNLOCK button a second time, within 5 seconds of the first press, in order to perform the following functions:

• | Unlock all of the doors.

• | Illuminate the interior lamps for approximately 20 seconds or until the ignition is turned ON.

### Lock All Doors

Press the LOCK button in order to perform the following functions:

• | Lock all of the doors.

• | Immediately turn OFF the interior lamps.

• | Flash the indicators if the ignition is OFF and the doors are closed.

• | Chirp the horn if the ignition is OFF and the doors are closed.

### Panic Alarm Function

A single press of the panic button performs the following functions:

• | Illuminates the interior lamps

• | Pulses the horn

• | Powers up the daytime running lamps for 2 minutes or until the following conditions occur:

- | The panic button is pressed again.

- | The ignition switch is turned to the RUN position with a valid key.

Press and hold the panic button performs the following functions:

• | The horn will sound continuously

• | The turn signals will flash

This will continue until the button is pressed again or until the key is placed in the ignition.