Can a Car Key Be Made Smaller?

1 Answers
StSerenity
07/29/25 5:47pm
Car keys can be resized, but this practice is not recommended. Here are the details about modifying car keys: 1. Car Key Functions: A car remote key can perform a series of functions such as locking and unlocking car doors, and even starting the engine. It contains a built-in chip and battery to enable these functions. 2. Issues with Resizing: Since the size of the chip and battery inside the key is fixed, resizing the key may lead to incompatibility. Therefore, modifying the original key is difficult to achieve. The only feasible option is to use an external remote locking device and pair it with a new remote key to attempt the modification.
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