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Car key fobs do more than just lock and unlock doors. They come packed with hidden features that most drivers never take advantage of. Automakers have been sneaking in clever tricks for years, yet many remain undiscovered. Some features save time, while others boost security or even add a little fun to your ride. Here are 15 car key fob tricks that you might not even know exist.

1. Roll Down Your Windows

Many cars let you roll down the windows by holding the unlock button for a few seconds. This feature, found in brands like Honda, Toyota, and BMW, is perfect for letting out hot air before you get in.

2. Start Your Car Remotely

Remote start is common in newer models from Ford, Chevrolet, and Nissan. Press the lock button once, then hold the remote start button. Your car starts up, warming or cooling the cabin before you step inside.

3. Fold Your Mirrors

Some luxury cars, like Mercedes-Benz and Audi models, let you fold the mirrors using the key fob. This is handy for tight parking spots or preventing damage.

4. Pop the Trunk Hands-Free

If your hands are full, some key fobs let you pop the trunk by holding the button or making a kicking motion under the bumper. Ford, Hyundai, and BMW offer this feature.

5. Summon Your Car

Tesla’s Summon feature lets you move your car forward or backward using the key fob. BMW’s Remote Control Parking has a similar function. It’s great for squeezing into tight spaces.

6. Panic Button Trick

Beyond scaring off intruders, the panic button can help you find your car in a crowded parking lot. Hold it down, and your car will flash and honk until you locate it.

7. Unlock Just the Driver’s Door

Some fobs unlock only the driver’s door on the first press and the rest on the second press. This prevents unwanted passengers from hopping in unexpectedly.

8. Hidden Physical Key

Most modern key fobs have a hidden mechanical key inside. Press a small button or slide a tab to access it. This is useful if your fob battery dies.

9. Activate Car Locator Mode

Certain brands, like Lexus and Volkswagen, have a feature where pressing the lock button twice makes the lights flash without honking, helping you find your car without disturbing others.

10. Memory Seat Recall

Many luxury cars, including Cadillac and Lexus, link seat and mirror positions to the key fob. When you unlock the car, it adjusts everything to your saved settings.

11. Lower the Tailgate

Trucks like the Chevrolet Silverado and Ford F-150 allow you to drop the tailgate remotely using the fob. This makes loading easier when your hands are full.

12. Put Your Car in Valet Mode

Some cars, like Porsches and Corvettes, have a valet mode that limits speed and locks the glove box and trunk. Activate it using the key fob for added security when handing over your car.

13. Disable Keyless Entry

Certain fobs let you disable keyless entry to prevent relay attacks by hackers. Toyota and BMW offer this option to improve security.

14. Extended Range Unlocking

Hold your key fob under your chin and press the button. Your head acts as an antenna, extending the range! It sounds weird, but it works.

15. Turn Off the Alarm Quickly

If your car alarm goes off accidentally, just press the unlock button on your key fob to silence it instead of fumbling with the door handle.

Your key fob is more powerful than you think. These hidden features can save you time, make your car more convenient, and even enhance security. Look up your car’s specific key fob features so you can start using it to its full potential.

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