Question about 1991 Lexus LS 400

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Locked Keyes in trunk of 91 Lexus

My keys are locked in trunk, can I get access through the back seat or run a 12 volt through a wire to something located under the dashboard to pop the trunk?

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  • Master
  • 1,114 Answers

I don't know about back seat access, but you may have a feasible idea about the 12volts -maybe. Does your vehicle have a button on the dash to pop the trunk?? If so, that button works with the ignition switch in the 'on' position. Obviously you can't use the button since you can't turn the ignition to on. However, if you can get to the contacts of that button, you may be able to energize the trunk opener. Hopefully there are only two wires on that button switch, which will simplify matters. If you take a wire from the Positive battery terminal to the button switch, you may be able to energize the opener. If it's a two terminal switch, one side or terminal is power (12v) in, and the other terminal is 12v out. If you put 12v to one terminal and nothing happens, push the button. Can you pop the hood to get to the battery???? If not any 12v battery can work, lawn mower battery, etc. : Negative terminal of battery to car frame, positive to switch. This would be a low current draw, so the wire can be anything like speaker wire. Since the wire is live, just be careful not to have it touch any other bare wire connections or part of the frame, etc.If this works, it will probably set off the alarm, since the ignition switch is off. I really don't know if this will work, but if I was in this dilemma, I would try it. After all said and done, someone might be able to tell you how to access the trunk by way of the back seat. GOOD LUCK!!!!!!!!!!

Posted on Mar 30, 2014

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Posted on Jan 02, 2017

  • 341 Answers

SOURCE: Lexus trunk locked - No key

you can take out the back seat ..that way you can get at the release lever........

Posted on Jan 01, 2009

  • 1 Answer

SOURCE: car keys locked in trunk of 1999 lexus es 300

1. I presume your button on the dash (which opens the trunk) is not working. You could take that button out of the dash panel and manually activate the circuit by using the wires themselves.
2. If the "valet" key doesn't fit the trunk lock, see if the keys are visible through the center back seat access 'hole', make a wire hook attached to a broom handle, etc. and try to catch the ring the key is on. If the view is blocked by other things you can't move, figure out at way to move things in the trunk so you can get something to reach the key(s). Do you have other metal keys on the same keyring? If so, use a magnet to grab the whole set.
3. Have you considered taking out the rear seat? Do the bottom seat cushion first, then the back.
4. By now you have hopefully already gotten your keys back out of the trunk, but if not I hope one of these suggestions works. MW

Posted on May 12, 2009

jmgldsmth
  • 1869 Answers

SOURCE: Lexus trunk locked - No key

using a crowbar press the bottom of the seat toward the trunk until it's bottom releases from the clips then remove the seat from the car.
to remove the seat back; pull up on the bottom of the seat back to remove it

Posted on Jun 03, 2009

  • 1 Answer

SOURCE: Need to get into the trunk - lost master key

did you check your glove compartment......there is a button that can be pressed in for safty reasons and than you can not open your trunk ........once you get it unlocked you should be able to open with your regular trunk opener

Posted on Jun 25, 2009

edgreason
  • 120 Answers

SOURCE: locked key in 1998 Lexus LS 400...trunk open...all

get your spare, or call dealer for replacement, or call locksmith.

Posted on Apr 09, 2010

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using a crowbar press the bottom of the seat toward the trunk until it's bottom releases from the clips then remove the seat from the car.
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1 Answer

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1. I presume your button on the dash (which opens the trunk) is not working. You could take that button out of the dash panel and manually activate the circuit by using the wires themselves.
2. If the "valet" key doesn't fit the trunk lock, see if the keys are visible through the center back seat access 'hole', make a wire hook attached to a broom handle, etc. and try to catch the ring the key is on. If the view is blocked by other things you can't move, figure out at way to move things in the trunk so you can get something to reach the key(s). Do you have other metal keys on the same keyring? If so, use a magnet to grab the whole set.
3. Have you considered taking out the rear seat? Do the bottom seat cushion first, then the back.
4. By now you have hopefully already gotten your keys back out of the trunk, but if not I hope one of these suggestions works. MW

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you can take out the back seat ..that way you can get at the release lever........

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