Your key fob isn’t just for unlocking doors—it’s a veritable Swiss Army knife of hidden features! That little device is packed with secret features that can make your daily drive a whole lot more exciting. Discover 15 hidden key fob features you should start using today and turn your everyday car rides into extraordinary adventures. Which of these can your key fob do?

Unlocking Windows

Many car key fobs have a hidden feature that allows you to remotely roll down your car windows. This feature is handy on hot days when you want to let out the trapped heat before you enter your vehicle. You can do this by holding down the unlock button. Some models also allow you to close the windows with the fob, which is an added convenience if you forget to do so before leaving the vehicle.

Locate Your Car

In large parking lots or crowded areas, losing track of where you parked your car can be easy. By pressing the panic or lock button, your car’s lights will come up, and the horn will sound, helping you locate it quickly. Your key fob may also have a dedicated “find my car” button that triggers the lights and horn without activating the full alarm.

Trunk Release

Most modern key fobs have a button that opens the trunk from a distance. Users find this function useful when their hands are full and need to load items into their car. In some vehicles, holding the trunk button can activate a power liftgate, automatically opening and closing the trunk, making it even easier to manage your cargo.

Folding Mirrors

Certain cars have a feature where the side mirrors can be folded in or out using the key fob. Folding mirrors can signal that your car is locked. Some vehicles can also unfold the mirrors automatically when the car is unlocked. The function can also help protect your mirrors from damage when parking in tight spaces or on busy streets.

Memory Settings

If your car has memory settings for seats, mirrors, and even climate control, your key fob can be programmed for your preferred settings. As a result, any time you unlock your car with your fob, everything will adjust to your specifications. People who share a vehicle with other drivers will find these settings helpful, as it eliminates the need to readjust settings manually every time you get in.

Service Mode

In service mode, features like remote start or the alarm are disabled. This makes it easier and safer to hand over your car to a service technician. Service mode can also restrict the vehicle’s speed and performance and serve as an extra layer of security when your car is not in your control.

Locking Fuel Cap

Locking or unlocking your fuel tank with the key fob can add security and prevent unauthorized access. Try this out if fuel theft is a concern in your area. Additionally, locking the cap with your key fop ensures the tank is securely covered to prevent fuel evaporation.

Automatic Headlights

Using the key fob, you can find your car in the dark and light up the path to it. You can also program the key to turn on interior lights so you no longer have to fumble for the switch in the dark.

Child Lock Activation

Activating or deactivating the child locks on your rear doors becomes easier with a key fob. Some advanced systems also help prevent children from operating the windows, keeping them safe and your mind at peace. 

Adjusting Interior Lighting

Some vehicles let you control the interior lighting with your key fob. Adjusting the interior lighting remotely enhances the ambiance of your car and provides a welcoming environment when you approach the vehicle. Users can choose different lighting modes to suit their preferences.

External Functions

Many key fobs come with programmable buttons that can be customized to perform various functions outside the car. These functions include opening the garage door, activating home security systems, or turning on house lights, simplifying your daily routine.

Theft Deterrent

Key fobs have many security capabilities, such as disabling the engine until the fob is detected inside the vehicle. Advanced systems may also include GPS tracking and alert systems that notify you of unauthorized attempts to access your vehicle. 

Adjusting Climate Control

Sometimes, the atmospheric conditions inside your cars can inconvenience the passengers. However, some key fobs allow you to set the temperature, defrost the windows, or activate the seat warmers before entering the car—a time-saving hack indeed.

Personalized Welcome

High-end vehicle fobs allow you to set up personalized welcome messages or lighting sequences that activate when you unlock your car. This adds a touch of luxury and makes your driving experience feel more special. For example, the car might play your favorite song or display a custom message on the dashboard screen.

Remote Software Updates

With this option, your car’s operating system and entertainment system can be kept up-to-date without needing to visit the dealership. New features such as enhanced performance or improved security come automatically and save you time.