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The remote keyless entry and anti-theft system can perform the following functions:
| • | Remotely lock and unlock the vehicle doors with a hand-held high frequency transmitter. |
| • | Sense intrusion into the vehicle through the doors or the tailgate. |
| • | Activate a warning to signal an intrusion. |
| • | Help the driver find the vehicle in a parking area. |
| • | Automatically relock the doors if a door or the trunk is not opened within 30 seconds after the vehicle has been unlocked by the remote keyless entry. |
| • | Communicate serial data to a scan tool to help diagnose system faults. |
The remote keyless entry and anti-theft system consists of the following components:
| • | Keyless entry and anti-theft control module/aerial |
| • | Security indicator |
| • | Tailgate open switch |
| • | Door open switches |
| • | Central locking unit |
| • | Flashing indicator lamps |
| • | Siren |
| • | Bonnet open switch |
The handheld transmitter locks and unlocks the vehicle doors by sending radio waves to the control module in the vehicle. The effective range of the transmitter varies between 5 and 10 metres (approximately 16 to 32 feet), depending on whether or not objects such as other vehicles are blocking the path of the radio waves.
The transmitter has a LOCK button and an UNLOCK button which only function when the ignition is OFF. Pressing the UNLOCK button has the following effects:
| • | The doors are unlocked. |
| • | The indicator lamps flash twice. |
| • | The control module is disarmed. |
Pressing the LOCK button has the following effects:
| • | The doors are locked. |
| • | The indicator lamps flash once. |
| • | The control module is armed. |
There is a security indicator on the cluster. After the LOCK button of the transmitter is pressed, the module is placed in the armed mode, and the security indicator flashes. The security indicator turns ON for 1/8 second and OFF for 7/8 second. It then flashes at that frequency until the control module is disarmed.
The anti-theft function is armed if the transmitter sends the LOCK message to the control module/receiver when the ignition is OFF.
When the bonnet, the door or the tailgate is opened, the bonnet open switch, the door open switch or the tailgate open switch will change its input to ground. The alarm will be activated if the door open sensor, or the tailgate open sensor changes its input to ground before either of the following conditions occurs:
An UNLOCK message is received from the transmitter.
The remote keyless entry system is armed when the LOCK message is received from the transmitter when the ignition is OFF. When the system is armed, it will activate the siren and flash the indicators for 28 seconds if any of the following conditions occurs:
| • | A door is opened (front door open switch input is changed to ground). |
| • | The tailgate is opened (tailgate open switch input is changed to ground). |
| • | The bonnet is opened while the anti-theft system is armed (bonnet open switch input is changed to ground). |
The siren is disarmed when any of the following conditions occurs:
| • | The ignition switch is turned ON with the key. |
| • | The UNLOCK button or the LOCK button on the remote transmitter is pressed. |
The remote keyless entry system assists the driver in locating the vehicle. When the vehicle is unlocked with the remote control, the indicators flash twice to indicate the location of the vehicle. The duration of the flashes and the length of time between flashes is used to indicate certain vehicle conditions.
The remote keyless entry system features an autolocking control. If the doors are unlocked with the remote transmitter when the control module/receiver is in the armed mode, the doors are automatically relocked after 30 seconds unless any of the following events occur:
| • | The door is opened. |
| • | The ignition switch is turned ACC or ON. |
| • | The tailgate is opened. |
| • | The bonnet is opened. |
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