What Is Keyless Entry on a Car?
Imagine walking up to your car with your hands full of shopping or a small child. Your car senses your approach, and as you reach for the door handle, it unlocks automatically. That seamless, hands-free experience is a keyless entry on a car. It's a feature that's become increasingly common in modern vehicles, moving from luxury brands to mid-range and popular models.
But with this convenience comes a lot of questions. What is keyless entry on a car, exactly? How does a fob keyless entry system work? Is it safe, and is it worth it? If you're considering a car with this feature, understanding what it is and what it means for you is crucial. We've put together this comprehensive guide to help you navigate these questions and more. Read out to find out what keyless entry is on a car…
What Is Keyless Entry and How Does It Work?
At its core, keyless entry is a system that allows you to lock and unlock your vehicle without physically using a key or even pressing a button on a remote. The technology relies on a small device, typically a smart key or a fob keyless entry remote, which you keep in your pocket or bag.
Here's the simple breakdown of how it works:
The Fob: The key fob sends out a unique, encrypted radio signal.
The Car: The car has a receiver, often located in the door handles or near the ignition, that is constantly listening for this signal.
The Connection: When you are within a close range (usually a metre or so) of the car, and you touch the door handle, the car's receiver detects the fob's signal.
The Action: The car verifies the signal and, if it's correct, unlocks the doors.
This is often combined with a push-button start system, meaning as long as the fob is inside the car, you can start the engine by simply pressing a button on the dashboard. This is different from older remote central locking systems, where you still had to press a button on a remote to unlock the doors.
Pros and Cons of Keyless Entry
Like any modern car feature, there are both great benefits and a few things to consider. Here’s a balanced look at the pros and cons to help you decide if a keyless entry on a car is right for you.
Pros:
Convenience: The most obvious benefit. No more rummaging for your keys in the rain or with your hands full of shopping.
Seamless Operation: It often works hand-in-hand with a push-button start, making the entire process of getting in and driving away effortless.
Modern Features: Keyless entry is often bundled with other great tech, such as auto-folding mirrors or a hands-free tailgate, which can be a real bonus.
Desirable for Resale: As this technology becomes more mainstream, cars with keyless entry are often seen as more desirable and hold their value well.
Cons:
Battery Dependence: The fob keyless entry system relies on a battery, which typically needs replacing every one to two years. If it dies, you’ll need to use the hidden physical key inside the fob to get into the car.
Potential Security Risks: While modern systems are more secure, there is a potential for relay theft, this can be mitigated by storing your key in a Faraday Pouch.
Cost of Replacement: If you lose or damage the fob, replacing and reprogramming it can be more expensive than a traditional key.
Is Keyless Entry Safe?
Security is a primary concern for many prospective buyers, and the risk of keyless car theft, or 'relay theft,' is a valid consideration. This method of theft involves using two devices to capture and relay the signal from your key fob. One device is used near your home to capture the signal, and a second is placed near the vehicle to trick the car into recognising the key as being present, allowing it to be unlocked and started.
While this is a risk, car manufacturers have made significant advancements to combat it. Many newer key fobs now feature motion sensors that go into a "sleep mode" if the key hasn't moved for a certain amount of time, preventing the signal from being amplified.
To protect your car, you can:
Store your keys in a Faraday pouch.
Keep your keys well away from the front door and windows of your home.
Check your car's manual to see if you can manually turn off the fob’s signal.
Do All Cars Have Keyless Entry?
The short answer is no. While it’s a feature that has become very popular, it's not standard on every vehicle. It’s often offered as an optional extra or included as a standard feature on higher trim levels of a model.
For example, a car like the Nissan Qashqai or Ford Kuga might have it on their top-spec models, but not on the entry-level ones. When you’re looking at used cars, it's a great feature to look out for, as it's a valuable add-on that makes day-to-day driving much easier.
Is It Worth It?
Ultimately, the decision of whether a keyless entry on a car is worth it comes down to personal preference. For a family juggling children and shopping bags, the convenience is a huge bonus. For someone who does a lot of driving in cold weather, not having to take off your gloves to unlock the car is a small but welcome luxury.
For most modern drivers, the benefits of convenience and ease of use far outweigh the minor drawbacks. If you're a lower-mileage driver or someone who prefers a more traditional approach, it might not be a top priority. However, once you've experienced it, it's a feature you'll likely never want to go without again.
Ready to Try Keyless Entry for Yourself?
Still unsure? The best way to understand the convenience of what is a keyless entry on a car is to experience it for yourself. At Birchwood Motor Centre, we have a wide range of high-quality used cars, some of which do feature the latest smart technology.
Browse our extensive stock of vehicles online, and get in touch with our friendly team. We're here to help you make an informed decision and find the perfect car for your needs.
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FAQs
Q: What is keyless entry on a car?
A: It's a system that uses a small remote fob that emits a radio signal to communicate with your car. When you’re nearby, the car detects the signal and allows you to unlock the doors and start the engine without having to physically use the key.
Q: Is keyless entry the same as push-button start?
A: They are often related and work together, but they are separate functions. Keyless entry unlocks the car doors, while push-button start lets you start the engine without inserting a key into an ignition barrel, as long as the fob is inside the car.
Q: Does keyless entry drain my car battery?
A: The system is designed to use a very small amount of power and has no noticeable effect on your car’s main battery. The fob’s battery, however, will need to be replaced periodically.
Q: What happens if the fob battery dies?
A: Don't panic! All keyless fobs have a hidden physical key inside that can be used to manually unlock the driver’s door. Once inside, there is usually a backup method to start the car, such as placing the fob in a specific slot or holding it up to the start button.