Question about 1997 Cadillac Catera

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Drivers Side Door Wont Unlock With Key

97 Catera-The only lock on the whole car is on the drivers side door and when I turn the key in either directions, the door wont unlock. The key will turn clockwise but the lock wont turn counterclockwise. I didn't want to force the key in hopes that it wouldn't break off in the door but I don't know what else to do. Its been cold lately so I don't know if its frozen or if it runs on the cars battery and the battery died. Please Help.

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  • bgreenloveha Feb 26, 2009

    ok i have a catera 98.. my key woud not ii unlocked it from the inside.. then my alarm went off after i open the door..then i got that alarm off. but my car wouldnt start. it would start but would not keep running... please help

  • James Tepfenhart
    James Tepfenhart May 11, 2010

    Your key portion of the lock does not work off of battery. Go get a big can of lock deicer, and some wd40. spray the **** out of the inside of the key hole. If it doesn't fix, then let me know. I use to live in Erie PA. And when it got cold the doors that didn't get use the most with the keys got the most problems.

  • Carlos Ortega Coronado May 10, 2017

    i have a partial solution on this issue, i have no remote control, i can only open the door with the key, sometimes key cant unlock the car, then i did discover something.... just pull up a little the lock knob before close the door, if is soft, will open with key, if is too tight just unlock with the door swith and again lock and repeat



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The locking solenoid could be sticking up or down due to the cold or could be going bad. if possible take off the door panel a watch the solenoid as you have someone operate the key and with the remote.

Posted on Feb 20, 2009


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