As a general rule you can't. There is a retaining pin, screw, or nut that cannot be accessed or made to release the cylinder without the key being unlocked (cylinder in a certain position) - this is to prevent theft.
Remove the ignition cylinder retaining ring. Poll the ignition cylinder out. Remove the wiring harness from the back of the ignition cylinder.
You will need to remove the retaining ring at the top of your 2003 Kia ignition cylinder. The ignition cylinder will slide out. Remove the wiring harness from the back of the ignition cylinder.
You will need to remove the retaining ring from the top of your 1975 Chevrolet pickup truck ignition cylinder. Slide the ignition cylinder out and remove the wiring harness. Reverse the process to install the new ignition cylinder.
Remove the retaining ring, from the top of your 1997 Ford Astro ignition lock cylinder. Remove the wiring harness from the back of the ignition lock cylinder.
Remove the retaining ring from the top of your 2000 Mercedes-Benz ignition lock cylinder. Slide the ignition lock cylinder out and remove the wiring harness.
Remove the retaining ring from the top of your 1997 Chevrolet 1500 ignition cylinder. Slide the ignition cylinder out and remove the wiring harness.
Remove the retaining ring at the top of your Chevy S 10 ignition lock cylinder. Slide the ignition lock cylinder out. Remove the wiring harness from the back of the ignition lock cylinder. Reverse the process to install the new ignition lock cylinder.
Disconnect the negative battery cable and remove the steering wheel. Turn off windshield wiper and disconnect the wiring. Insert the key into the cognition and turn the switch to a locked position. Depress the retaining pin and remove the cylinder. Enter the old cylinder into the new ignition.
You can change the ignition cylinder on your 1999 Mercury Mystique by removing the retaining ring at the top of the ignition cylinder. The ignition cylinder will slide out. Remove the wiring harness.
If you are talking about the ignition cylinder lock, the part where the key goes: Turn the switch to "ON". There is a square pin on the front of the switch (side closest to dash). Push the pin in and pull the cylinder out. Mine was locked so I had to drill it out.
Begin by removing the retaining ring at the top of your 1994 Ford ignition lock cylinder. The ignition lock cylinder will slide out. Remove the wiring harness from the end of the ignition lock cylinder. Reverse the process to install your new ignition lock cylinder.
Remove the retaining ring at the top of your 1991 Acura Legend ignition switch. The ignition switch cylinder will slide out. Remove the wiring harness from the end of the ignition cylinder. Reverse the process to install your new ignition switch cylinder.