Open the chuck all the way and look down inside it, you'll probably see a screw you'll need to remove.
If it's an older model, and you don't see a screw, it's probably got a tapered shaft.
You can...
The instructions are in the Owners Manual that came with the car. If you don't have one, see "Related Questions" below.
Here's what my 1998 Owner's Manual has on this:
Enter the factory-set code...
1.
A Phillips screwdriver, or a nail can be inserted into one of the holes for the chuck key, and then use a "pipe" wrench on the collar to break it loose. Once loose, you can then turn it enough to...
KEYLESS ENTRY SYSTEM
With the keyless entry keypad, you can:
• lock or unlock the vehicle doors
without using the key.
Your vehicle has a factory set 5 digit
code that operates the keyless...
KEYLESS ENTRY SYSTEM
With the keyless entry keypad, you can:
• lock or unlock the vehicle doors
without using the key.
Your vehicle has a factory set 5 digit
code that operates the keyless...