Vehicle Smart Key Technology

smart car key not working keys in vehicles allow the driver to unlock and start the car by pressing the door handle or putting the key in the pocket. It also allows for a variety of other adjustments like seats positions, internal temperature settings, mirror position and stereo presets.

This could also create security issues.

Security

Smart keys are sophisticated electronic keys that communicate with vehicles via one of the antennas in the car to open the doors and start the engine. Unlike conventional keys, which emit the same frequency signal each time they are press, smart key fobs transmit encrypted signals that are only compatible with the specific car they belong to. This makes it difficult for tech-savvy criminals to intercept or fake the signal, and use your key to steal your vehicle.

Mercedes' Keyless Go system for instance, has an internal transponder, which can identify the key of the driver. When the smart Car Key supplier Key comes within 1.5 meters of a vehicle it instantly unlocks the door and tailgate and the engine will start when a button on the key is activated.

Certain smart keys, like the ones made by BMW, also have user-specific settings. These allow drivers to alter the mirrors, seat and the steering wheel's position and even the audio settings with the push of a button. They also have an emergency lock that stops the car from starting if the key is not in the ignition.

This technology assists drivers from accidentally locking their cars, particularly when searching through a purse or backpack to find keys in a parking lot filled with strangers or on a busy street with high rates of crime. A lot of systems will also notify drivers when their keys are not fully charged, however this feature is different for each manufacturer.

Convenience

The smart key is perfect for those who are in a rush to get somewhere. By pressing the button on your trunk release lever or door handle, you can open, lock and get into your vehicle. Popular Mechanics explains that the key fob can also be used to track charging or location as well as other information about your vehicle.

The main benefit is that you can't accidentally be locked out. The key fob is connected to an antenna inside the vehicle to determine if it's within range. If it's not, the engine won't start. This helps deter would-be thieves who may steal your vehicle to sell its parts.

The smart key also employs rolling codes to prevent hacking attempts and cloning, reports BMW. The computer inside the vehicle is able to recognize and verify the code prior the start of the motor. Most systems come with a mechanical backup system that is an invisible key blade.

How Stuff Works Electronics notes that modern smart keys can be able to detect keys when it is in use and adjust the vehicle settings accordingly. For instance, if start the car while holding the key fob in your palm, the windows and the sunroof are opened to let the cabin air dry. You can also set a speed limit that will only be in effect when the car is started using the chosen key, which can be useful when loaning your vehicle to a novice driver.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto manufacturer-specific feature called Power Saving Mode. To do this, hold down the lock button and press the unlock button.

This will prevent your smart key fob's smart device from being able to transmit or receive radio waves. This will greatly extend the battery's life. You can always restart the function by pressing the lock and unlock buttons again.

Certain smart keys have anti-theft features that prevent them from being copied by thieves. For example, Mercedes-Benz smart car key replacement cost keys use rolling codes to prevent unauthorized vehicle access. The computer in the car is able to verify the code within milliseconds following the smart key is placed. BMW offers a similar system with its Display Key, which comes with a small LCD color touchscreen on the smart key to make it easier, and enables drivers to lock, unlock, and start their vehicles without ever taking it from their pockets.

Contact Pop-Alock if you need to replace the battery in your smart key fob, or if you are thinking of purchasing a vehicle with a smart-key. We can replace the battery on any replacement smart key key, and our mobile locksmiths can assist you in setting it up so that your car can recognize it.

Special Cases

Smart keys aren't 100 100% safe from theft, but they can aid in deterring thieves. Smart keys employ rolling security codes to avoid hackers, and when put in the ignition, the car's computer verifies the code within milliseconds. Mercedes-Benz developed this technology, which is now utilized by luxury car brands.

A smart key system will continue to work even if you don't remember the key in the trunk or leave it in the restaurant. Some systems will also notify the driver when the battery is running low. Certain brands also offer key covers specifically designed for smart keys to keep the key safe from damage.