Car Keys Have More Uses Than You Think: 3 Hidden Features You Don’t Know About | April 17, 2025

Most car key remotes have three buttons: one to open the doors, another to close them, and an additional one to open the trunk. But did you know that by combining these button presses, it’s possible to perform additional actions? Let’s explore these hidden features together.

Three Hidden Functions of Your Car Keys

Car keys are no longer just used to unlock and start our vehicles. They also offer a variety of advanced features.

The first hidden feature is selective door unlocking. This technology allows the driver to unlock only the driver’s door.

To do this, simply press the unlock button twice in succession, or in some models, press both the unlock and lock buttons simultaneously.

This feature is particularly useful for people who often travel alone, as it provides quick and safe access to the car without exposing the other doors.

Another handy feature, particularly useful on hot summer days, is the ability to lower all the windows simultaneously. To do this, press and hold the unlock button for a few seconds. This allows you to air out your vehicle before getting in.

Similarly, to roll up the windows, simply press and hold the lock button for a few seconds. This feature is very convenient if you forget to close the windows after leaving the car.

The third feature is for convertible car owners. Many car keys allow you to open and close the roof remotely.

This works the same way as raising and lowering the windows—simply hold down the unlock or lock button.

Other Special Functions

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