Try This: Press and hold the drivers side power UNLOCK button.
Insert key into the ignition, Turn it ON, OFF. Repeat this step twice.
At this point the power door locks should cycle to indicate the vehicle is in program mode, ready to accept programming.
Press and hold the LOCK and UNLOCK buttons on the transmitter.
The power door locks should cycle to indicate successful programming.
Turn the ignition ON to exit program mode.
You have to have a scan tool.
you have to take it to the dealer
how do i program it
With the dealers scan tool.
You cant take to dealership. Thats the only way sorry
go to http://www.programyourremote.com/ they have programs for many makes and models
Look in your owners manual to see if anything is in there about programming it and if nothing you will have to let the dealer do it.
To program a keyless remote for a 2006 Scion xA, first, insert the key into the ignition and turn it to the "ON" position without starting the engine. Within five seconds, press the "Lock" button on the remote. After that, turn the ignition off and remove the key. You should hear the doors lock and unlock, indicating that the remote is programmed successfully. If it doesn't work, repeat the process to ensure timing and button presses are accurate.
To program a new remote keyless entry for a 2006 Saturn Ion 2, first, sit in the vehicle with all doors closed and insert the key into the ignition. Turn the key to the "On" position and then back to "Off" five times within 10 seconds, ending in the "On" position. After the locks cycle, press and hold the "Lock" and "Unlock" buttons on the remote for about 15 seconds, then release them. Finally, turn the ignition to "Off" to complete the programming process.
Call the dealership or Go to you local library and get the repair book, its free to use or a few cents to copy.
You use the release button on the dash, or the keyless remote to open,
I was informed by a BMW dealer there isn't a battery to replace and you have to order a new remote and then have it programmed by the dealer.