Buick LaSabre Trunk Key

I got a call recently from a customer to make a trunk key for an 88 Buick LaSabre. It seemed that neither the dealer or another locksmith company the customer had called, was able to originate any codes prior to 1990 models. I started to remove the glove-box lock so I could retrieve four of my six cuts and progress the other two.

I was surprised to find that the glove box lock on this vehicle had all six wafers and a side-bar. The side bar glove box lock could be recognized immediately because it does not turn with the key but slides to the left to lock and the right to unlock. Since I was lucky to find the glove box unlocked, I was able to obtain a key doing the following.

I removed the two screws that hold the entire lock mechanism in the glove box door. The front of the lock is held onto the back of the case by two pressed through, plastic clips which open in four directions. If an attempt would be made to close the clip with needle-nose pliers, the tip might break and only two of the four legs would be closed.

A solution would be to get a key blank that has a small hole in the head that will not fit down over the end of the retainer. Next step would be to slide the hole of the key over the four- pronged clip and as the legs come together, continue pushing downward until the retainer enters the back of the lock case. The same process would need to be repeated with the other three retainers.
Now the cylinder would need to be removed. Rake the wafers while depressing the slide bar, decode the cylinder and cut a new key. As the lock is reassembled, it is important to remember pulling down on the latch so you can insert the cylinder. As the lock slides back into the lock, the undamaged clips will snap back into place retaining the lock as intended.

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