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

The keyless entry system has the following main components:

• | The transmitters

• | The remote control door lock receiver (RCDLR)--When you press a button on the transmitter, the transmitter sends a signal to the RCDLR. The RCDLR receives the signal and sends a GMLAN serial data message requesting the appropriate function.

### 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 the park lamps 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 park lamps 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

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

- | The unlock button is pressed.

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