How to start a car when the smart key has a problem

Today, cars are increasingly equipped with advanced technology, from large screens that support Apple CarPlay to dashboards that integrate a series of modern features. These utilities make driving more convenient and comfortable.

However, that convenience also comes with some risks, especially in unexpected situations. If in the past, the traditional mechanical key could unlock and start the car regardless of whether the battery was still alive or dead, with the smart key, things are more complicated.

Smart keys operate on radio signals, similar to Bluetooth connectivity, allowing data exchange between the key and the vehicle's electronic system. When you are within range, the vehicle will automatically receive commands to unlock or allow the engine to start.

Some models even allow you to simply touch the door handle to open it when the key is nearby. This is a huge step forward in convenience, eliminating the need to fumble around in your pocket or purse for your keys.

However, the problem arises when the battery in the smart key suddenly runs out. At this time, the car will not be able to recognize the signal as usual, making you easily fall into an awkward situation.

Fortunately, manufacturers have anticipated this scenario and built in a number of safety measures, so that even if your smart key runs out of battery, you can still open the door and start the car in a number of special ways.

What to do when smart key has problem?

When your smart key fails or stops working, it's important to have a backup plan ready to avoid getting stuck outside your vehicle.

Experts recommend that drivers should always carry some emergency items in their car, such as a car phone charger in case the phone runs out of battery, a mini tire pump to deal with flat tires, and especially a spare key.

The type of battery commonly used for smart keys. Photo: Internet

Carrying an extra set of coin cells, the type commonly used in smart keys like CR2032 or CR2025, is also a smart choice, as you can replace them as needed. However, replacing the batteries is only possible if you are already in the car.

In case you get stuck outside, the first thing you should check is whether your smart key has a built-in spare key. Many car manufacturers have a small slot or sliding mechanism on the key, hidden inside a physical key that can be used to open at least one door. Some cars even allow this key to operate the ignition system, allowing you to start the car in an emergency.

Additionally, just in case, you should leave a spare key with a trusted relative or friend, or keep it in a safe place that you can easily access when needed. By being prepared, you will avoid getting stranded and can continue your journey smoothly.

Other ways to lock, unlock, and start your car

In case your smart key runs out of battery, don't worry too much because many car manufacturers have integrated backup plans to help drivers continue using the car. Depending on the brand and model of car, you can still unlock and start the car in simple ways.

For example, Hyundai instructs users to simply hold the brake pedal while pressing the electronic key directly on the car’s ignition button instead of pressing it manually. This mechanism allows the car to recognize the key even when the battery is dead.

A simple but effective way when the smart key runs out of battery is for the user to simply hold the brake pedal while applying the electronic key directly to the start button on the car instead of pressing it manually. Photo: Internet

Some other manufacturers opt for a hidden slot for the key fob. Ford is a good example, with these spare slots in the cup holder, the center console, or right on the steering column. Once the key is in the right place, you just need to press the start button to operate the car normally. This ensures that you are not stranded even if the smart key is completely powerless.

In addition, many modern car models are also supported by genuine mobile applications, allowing users to lock, unlock, and even start the car remotely via an Internet connection.

Especially with electric vehicles, this feature is becoming more popular and useful, helping you easily start the car to move to the nearest store to buy a replacement battery. These solutions show that car manufacturers are increasingly focusing on convenience and safety, ensuring that users always have a backup plan in any situation./.

Source: https://baonghean.vn/cach-khoi-dong-xe-o-to-khi-chia-khoa-thong-minh-gap-su-co-10306337.html