I am trying to remove ignition cylinder. I have pressed release button on the back, but the cylinder will only come halfway out.

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

This is not an easy job, Jennifer. You have to remove the steering column cover, then insert the key. There's a little button you can press when you've turned the key to the ACC position - that little button releases the lock cylinder from the steering column.

Adjust the Mercedes telescoping steering wheel to the maximum extended position (maximum out position).
Move the front driver's seat to the rear-most position.
Disconnect the negative battery cable by loosening the retaining nut on the negative battery cable clamp and sliding the clamp off the battery terminal.
Remove the screws on the underside of the instrument panel cluster that hold the instrument cluster cowl in place and remove the cowl.
Remove the four screws holding the instrument cluster in place and remove the instrument cluster from the dash. Make sure to remove the electrical connectors from the back of the instrument cluster before trying to completely remove the cluster.
Turn the ignition key to the "I" position and remove the electrical plug in the back of the ignition switch. The switch should be exposed now that the cowl and instrument cluster have been removed. You will access the plug from the top of the ignition switch and cylinder assembly.
Loosen, but do not remove, the Allen bolt on top of the ignition cylinder that mates with the steering column using an Allen wrench.
Remove the two 13 mm bolts on top of the steering column. This will allow the steering column to drop down roughly 3 inches so that you can access the release button for the ignition switch.
Press the release button on the steering column where the ignition cylinder enters the column.
Turn the key to the "I" position and remove the ignition cylinder and switch assembly by pulling it out of the steering column.
Remove the ignition wiring from the back of the ignition switch and cylinder assembly by pressing down on the release tab on the electrical connector and pulling it off the switch.
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1. Close the vehicle doors.
2. Turn OFF the ignition.
3. Remove the key from the ignition.
4. Press and hold the driver side door lock switch to UNLOCK position.
5. Insert the ignition key into the ignition lock cylinder and remove the key. (Do not turn the ignition key in the lock cylinder.)
6. Insert the ignition key into the ignition lock cylinder and remove the key. (Do not turn the ignition key in the lock cylinder.)
7. Insert the ignition key into the ignition lock cylinder. (Do not turn the ignition key in the lock cylinder.) Leave the ignition key in the ignition lock cylinder.
8. Release the door lock switch. The vehicle will sound three beeps in order to verify the Program Mode has been activated.
9. Press the LOCK and UNLOCK buttons together on the keyless entry transmitter and hold until the vehicle beeps twice to verify that the transmitter has been successfully programmed (this take approximately 15 seconds).
10. Perform the previous step to program up to four transmitters (including your old ones). 11. Remove the ignition key in order to exit the Program Mode.

Obtain all remote transmitters for this vehicle.

1. Close all doors.

2. Insert key into the ignition cylinder but do not turn it.

3. Press and hold the Unlock button on door lock switch on drivers door.
Hold until instructed to release.

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 6 if you are programming additional remotes.

9. Remove key from ignition to exit programming mode.

NOTE: If you are having trouble getting this procedure to work, we have found that some vehicles need step 3 to be done before step 2

SECTION 211-04: Steering Column 2002 Escape Workshop Manual REMOVAL AND INSTALLATION Ignition Switch Lock Cylinder Removal and Installation
All vehicles

1. Disconnect the battery ground cable. For additional information, refer to Section 414-01 .

1. Turn the ignition keys to the ON position.

Early build vehicles

1. Remove the upper steering column shroud.

1. Remove the screws and the lower shroud.

1. Using a small tool, press the ignition lock cylinder release button and pull the ignition lock cylinder out.

Late build vehicles

1. Using a small tool, press the ignition lock cylinder release button in the hole and pull the ignition lock cylinder out. Usually, the key has to be in the oN position to do this step.

All vehicles

1. To install, reverse the removal procedure.

there are only two ways to remove the ignition lock cylinder, either by turning the key and pressing the realease button to remove the lock cylinder or to drill the center of the pin or the lock cylinder itself to remove the part. i would not suggest drilling the lock cylinder on your own unless you've had some experience in the art of locksmithing. have you tried lubricating the the lock cylinder to free it up and maybe get it to turn?

METHOD 1 - NO TOOLS REQUIRED

1. Sit in the vehicle driver's seat.
2. Remove the ignition key from the ignition lock cylinder.
3. Close all of the vehicle's doors.
4. Press and HOLD the door "LOCK" switch to the "Unlock" position.
5. Insert and remove the ignition key twice (without rotating the ignition lock cylinder).
6. Insert the ignition key a third time leaving the key in the ignition lock cylinder. The ignition must be in the "OFF" position.
7. Release the door "LOCK" switch from the "Unlock" position (three fast chimes will be heard when the remote control door lock receiver enters the programming/diagnostic mode).
8. Press and HOLD the transmitter "LOCK" and "UNLOCK" buttons simultaneously for at least 12 seconds . Two fast chimes will be heard confirming successful programming.
9. Repeat step 8 for each additional transmitter to be programmed.
10. Remove the ignition key from the ignition lock cylinder

Here you go. If this solves your issue, please rate as Fixya. Good luck. Ignition Switch Lock Cylinder —Functional Removal and Installation

1. Disconnect the battery ground cable. For additional information, refer to Section 414-01 .

1. Remove the ignition switch lock cylinder (11582).
   1. Insert the ignition key and turn to the RUN position.
   1. Using a 1/8-inch drift, press the ignition switch lock cylinder release pin through the access hole while pulling out the ignition switch lock cylinder.

1. To install, reverse the removal procedure.
   • Verify ignition switch lock cylinder operation.