Buick Rainer no remote lock nor key wont work how to get in

How old is battery in key

http://www.fixya.com/search/p693632-buick_2005_rainier/wont_shift_3rd_gear

https://my.buick.com/content/dam/gmownercenter/gmna/dynamic/manuals/2005/buick/rainier/2005_buick_rainier_owners.pdf

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Replace the ignition lock or try another key

2006 Buick Rendezvous Remote Programming For Buick Rendezvous / Intrigue / AztekObtain all remote transmitters for this vehicle.
1. Close all doors.
2. Press and hold the Unlock button on door lock switch on drivers door.
Hold until instructed to release in step 6.
3. Insert key into the ignition cylinder but do not turn it.
4. Remove key from ignition and then insert key into ignition without turning ignition cylinder and remove key.
5. Insert key in ignition a third time and leave key in ignition. Do Not turn ignition.
6. Release door lock switch on drivers door panel. A Chime will sound 3 times indicating that you are in programming mode.
7. Press both the Lock and Unlock buttons on the remote up to 30 seconds.
A chime will sound 2 times if remote has programmed successful.
8. Repeat step 7 if you are programming additional remotes.
9. Remove key from ignition to exit programming mode

Please, please ask once and wait.

Apparently the key in the door and the keyless entry work the same electric door lock system ugh :/ wow, all I can suggest is to call the stealership and ask if there is an override for the locks, before you break a window. Can anybody else out there help this poor soul?

On this website you find fuse box diagram and description for Buick Rainer (2004)

http://www.carknowledge.info/buick-rainer-2003-2006-fuse-box-diagram

TO SYNCHRONIZATION REMOTES WHEN REPLACING BATTERIES,STAND 5 FEET OF THE VECHICLE.PRESS REMOTE TRANSMITTER LOCK AND UNLOCK BUTTONS SIMULTANEOUSLY FOR 7 SECONDS.HORN SHOULD CHIRP TO CONFIRM SYNCHRONIZATION.