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How to Program a New Key for the Buick Lacrosse?

Model: Buick Lacrosse MK 2 - Years 2010-2016
Part: Key

This tutorial is useful for programming a new key when you already have a functioning one. It cannot be used to program a blank key if you do not already have a programmed one. Therefore, make sure to purchase a new key and program it right away, without waiting to lose the original keys, as in that case only the dealer can assist you, with the associated costs. To program a new key, simply insert the functioning key into the ignition, turn on the ignition, and turn it off after a few seconds, then repeat the same process with the new key.

Updated on 19 July 2026 by ScegliAuto

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