You can lock and unlock your doors from about 20 ft (6 m) away using the remote keyless entry transmitter.
The following functions are available if your vehicle has the remote keyless entry system:
[block ] (Lock): Press this button to lock all of the doors. If all of the doors and the trunk or liftgate are closed, the hazard lamps will flash once and the horn will chirp to indicate that locking has occurred and that the theft-deterrent system is active.The LED light on the transmitter will flash when the buttons on the transmitter are pressed.
The lock and unlock buttons will not operate and the theft-deterrent system will not activate while the key is in the ignition.
Each remote keyless entry transmitter is coded to prevent another transmitter from unlocking your vehicle. If a transmitter is lost or stolen, a replacement can be purchased through your dealer. Remember to bring any remaining transmitters with you when you go to your dealer. When the dealer matches the replacement transmitter to your vehicle, any remaining transmitters must also be matched. Once your dealer has coded the new transmitter, the lost transmitter will not unlock your vehicle. Each vehicle can have a maximum of five transmitters matched to it.
Under normal use, the battery in your remote keyless entry transmitter should last about two years.
You can tell the battery is weak if the LED fails to illuminate or if the transmitter will not work at the normal range in any location. If you have to get close to your vehicle before the transmitter works, it is probably time to change the battery.
Notice: When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter.
To replace the battery in the remote keyless entry transmitter, do the following: