2001 Cadillac DeVille Logo
Posted on May 15, 2009
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2001 Cadillac Deville driver door key entry not turning to unlock

Key starts car.inside lock/unlock works. Key will not turn to unlock the only key entry drivers door. I have NO remote.

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Joe Z

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Joe Z
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I am having the smae problem starting this week. Key fob has been broken for several months (and on a 2001 Cadillac you HAVE to go to dealer to program a new one.) So I've been using the key-- no problem.
FIrst thing others need to understand. The 2001 Deville has a key entry on the Driver's door ONLY-- not any other door. So you can't just go to anotger door.
Secondly-- I am trying my 'main' key, which admittedly has some wear. But I am also trying my "spare" key which has practically no wear at all-- so this is not an issue of a worn-out key. Both have worked fine in the past.

What happens is that the door lock all of a sudden will not let the key go all the way into the lock. YOu can feel it being stopped for the last 1/8 of an inch or so-- just enough so you can't turn the key in the door lock. Seems like some kind of messed up security feature. But all I know is I cannot get into my car, parked in my garage!

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  • Posted on May 15, 2009
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Hi there if i prosume you have had the doors open by the key before then there must be a lot of ware in the key, but most likely the car is new to you in that case the key is just not the key for the other locks. hope this helps regards John

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7-remove key from ignition,the door locks should cycle twice.if not start over.it may take a few tries.

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Program my remote

Program your factory keyless entry functions
For 2001+ Tacomas equipped with a factory alarm or keyless entrymag-glass_10x10.gif, here are some programming options that allow you to adjust the way your locks work.
The first programming option allows you to set the entry unlock to: (A) unlock the driver door with one push, and the remaining doors with a second push OR (B) unlock all of the doors with a single push.
  • Open the driver's door. Remove the key from the ignition switch.
  • (Complete these steps within 40 seconds)
    1. Insert the key into and remove it from the ignition switch 2 times.
      (IN - OUT - IN - OUT)
    2. Close, then open the driver's door 2 times.
      (SHUT - OPEN - SHUT - OPEN)
    3. Insert the key into and remove it from the ignition switch 1 time.
      (IN - OUT)
    4. Close, then open the driver's door 2 times.
      (SHUT - OPEN - SHUT - OPEN)
    5. Insert the key into the ignition switch and leave it in.
    6. Close the driver's door.
    7. Turn the key from LOCK to ON 4 times, ending at LOCK
      (LOCK - ON - LOCK - ON - LOCK - ON - LOCK - ON - LOCK)
    8. Wait for the locks to stop, then remove the key from the ignition switch.
  • On the key fob, press and release both LOCK and UNLOCK buttons at the same time.
    1. [For all doors unlock] press and release the UNLOCK button.
    2. [For driver door unlock] press and release the LOCK button.
  • Open the driver's door. The programming is complete. If programming did not occur, start over.
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