How to Start the Car When the Smart Key's Battery Dies

The battery power in the car's smart key is frequently depleted after a few years of use, causing the connection between the car and the lock to flicker and making it difficult to receive signals.

As a result, if the car owner knows how to start the car when the smart key's battery dies, he or she can handle the situation quickly.

Currently, most car models around the world are outfitted with smart keys to make vehicle owners' lives easier. With the smartkey, the driver only needs to press one button to start and stop the engine without having to insert the key.

However, when using this smart feature, many car owners encounter difficulties when the key runs out of battery and is unable to connect to the car as usual.

Read more: How to Start a Car with a Dead Battery

How to turn on the car when the battery in the smart key runs out

How to Start a Car When the Smart Key's Battery Runs Out

When the vehicle owner notices that the connection between the key and the car is unstable and difficult to receive, the key's battery is most likely depleted.

To start the car when the smartkey's battery runs out, the car owner should take the following four steps:

Step 1: Remove the mechanical key attached to the smart key

Most smart keys in cars today are designed to be linked to a mechanical key in the event that the electronic key loses power or malfunctions.

The mechanical key is held in place by a latch/button in all current smart key designs. Simply pressing the latch separates the mechanical key from the smart key for use.

Step 2: Use the mechanical key to open the car door

The driver uses the mechanical key to enter the lock on the door handle to open the car door in the traditional way.

Step 3: Start the car when the smart key runs out of battery

The smart key will have different features depending on the car model. As a result, vehicle owners should consult the owner's manual to determine how to start the vehicle.

Some car models include a smart key slot that can be used to start the engine if necessary. Key slots are frequently designed in multiple positions, such as:

• Below the Start/Stop button

• On the steering wheel shaft

• Under the air conditioning control panel

• Between the area of the two front seats

• In the storage compartment under the armrest

After determining the slot's location, the driver inserts the mechanical key into the lock and starts the engine as usual.

Car owners should be aware that some vehicles equipped with the third generation Smartkey system will lack a key slot. As a result, in an emergency, the driver only needs to use the keyless end of the smart key to press the start/stop button rather than pressing it manually as usual.

Step 4: Replace new battery for smart key

The smart key's battery power runs out quickly or slowly depending on a variety of factors such as weather conditions, frequency of vehicle use... When drivers notice signs of flickering in the smart key, they should replace the battery. Receiving signal is difficult or the battery is damaged.

Replacing the battery for the smart key is simple, and the vehicle owner can do it at home to save money. Drivers should keep in mind that each smart key may use a different type of battery, so they must determine the correct battery code before purchasing.

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Notes for Using car Smart Key

When using smart keys, users should keep in mind that not all cases where the electronic key and the car cannot connect are due to the battery dying. Poor connection status can also be caused by the user being too far away, the key being contaminated with waves, the key being damaged due to improper storage...

Maintain appropriate distance between car keys and vehicle

The ideal operating distance for the smart key is 70cm to 1m. When the user stands too far away, the car will struggle to receive signals from the smart key.

Furthermore, the smart key is powered by an electronic wave mechanism, and the touch feature is extremely responsive. As a result, users must carefully check that the car door is locked before leaving to prevent thieves from breaking in unintentionally. The vehicle owner confirms that the vehicle door is truly locked by checking the flashing lights and horn as directed by the manufacturer for each vehicle model.

Do not leave your car keys near electronic devices or furniture

Users should avoid bringing the car key into direct contact with phones, computers, or other electronic devices, as this can easily disrupt the key's magnetic waves.

Furthermore, car owners should avoid placing heavy objects on the key or leaving the key near a large number of objects such as clothes, other keys, and accessories. These objects may interfere with the ignition of the car lock.

As a result, users should avoid hanging smart keys with other accessories or using separate car smart keys to ensure the lock works properly.

Avoid exposing your car to electromagnetic waves

The smart key is likened to a radio transmitter, capable of emitting short wavelengths that match the waves stored in the car and command the opening/closing of the car door within a certain distance. Therefore, the smart key may be disabled due to diffraction.

In some cases, car smart keys may not work when obscured by metal objects or placed near other magnetic keys.

Drivers should also avoid parking and placing the smart key near places with high frequency waves such as radio stations, television stations, airports, power sources or other electromagnetic broadcasting devices to ensure the lock operates normally.

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