Do Electric Cars Have Keys?

Most electric cars do not use a traditional metal key. Instead, they rely on a key fob, a smartphone app, or a keycard to lock, unlock, and start the vehicle. Some models still include a physical key as a backup, but day-to-day access is almost always keyless. If you are new to EVs and curious about what else is different under the bonnet, our Guides section covers the essentials.

Why did electric cars move away from traditional keys?

The short answer is that EVs have no ignition barrel to turn, so a physical key was never strictly necessary. Conventional cars use a metal key to mechanically engage the ignition and release the steering lock. Electric motors start instantly via software, so engineers replaced the whole ignition system with an electronic one. This also removes a common point of failure and makes theft harder, since there is no column to hotwire.

What does a key fob do on an EV?

A key fob on an EV works similarly to one on a modern petrol or diesel car: press a button to lock or unlock, and the car detects the fob's proximity to allow starting. The difference is that you press a brake pedal and push a start button rather than turning a key. Many fobs also let you precondition the cabin, open a charge port, or summon the car a short distance, depending on the model.

• Lock and unlock without touching the car
• Trigger remote climate control before a journey
• Open or close the charge port lid
• Activate additional security features such as a Sentry or Guard mode

Can you use your phone as a key?

Yes, many modern EVs support phone-as-key functionality. Your smartphone connects to the car via Bluetooth or an internet connection, and the vehicle unlocks automatically as you approach. This means you can leave home without picking up anything extra. Most manufacturers recommend carrying the physical fob or keycard as a backup in case your phone battery dies or connectivity drops. Sharing digital keys with a family member is also straightforward through the manufacturer's app.

What is a keycard and which EVs use them?

A keycard is a flat NFC card, roughly the size of a debit card, that you tap against a sensor on the door to unlock and start the vehicle. It became well known through Tesla's Model 3 and Model Y, which ship with two keycards and use a phone app as the primary access method. Keycards are useful because they are slim enough for a wallet and do not rely on a battery, making them a reliable fallback when your phone is flat.

What happens if you lose your EV key or your phone dies?

Losing your primary access method is less of a crisis than it sounds. Most manufacturers build in multiple layers: a backup keycard, a physical metal blade hidden inside the fob, or a PIN-to-drive code you enter on the touchscreen. You can also contact the manufacturer's roadside assistance, who can remotely unlock the vehicle through their servers. Setting up your car's app and registering your backup method before you need it is sensible practice.

• Check whether your fob contains a hidden metal blade for the door lock
• Use the manufacturer app on a secondary device if your primary phone is unavailable
• Call roadside assistance for remote unlocking
• Set a PIN-to-drive code as an extra layer you always know by heart

Are keyless EVs more or less secure than cars with traditional keys?

Keyless entry carries a well-documented relay attack risk, where criminals use signal amplifiers to mimic a nearby fob and unlock a car. This vulnerability exists on many modern petrol cars too. EVs generally counter it with UWB (Ultra-Wideband) positioning, which is more difficult to spoof than older radio frequencies, plus features like PIN-to-drive, which require a code even after the car is unlocked. Storing your fob in a signal-blocking pouch at home remains a straightforward precaution regardless of powertrain.

Frequently asked questions

Do all electric cars come with a physical key?

Not all of them. Many EVs include a hidden metal blade inside the fob for emergency door access, but some models, particularly those that rely on a keycard or app, do not ship with a traditional cut key at all. Check your specific model's handbook to confirm what backup access methods are included.

Can I start an electric car without the key fob nearby?

Not under normal circumstances. The car checks for a recognised fob, keycard, or phone credential before allowing the motor to engage. Some models let you set a PIN-to-drive code, which means you can start the car from the touchscreen if you have the code, but the vehicle still needs to be unlocked first via one of the approved methods.

What is relay theft and does it affect EVs?

Relay theft involves criminals using a pair of signal amplifiers to extend the range of your key fob signal, tricking the car into thinking the fob is close by when it is not. It affects any car with keyless entry, including EVs. Countermeasures include storing fobs in signal-blocking pouches, enabling motion-sensing fob sleep modes, and using PIN-to-drive where available.

Can I share my EV key with someone else?

Yes. Most manufacturers allow you to share a digital key through their smartphone app, either as full access or with restrictions such as a speed limit or time window. Physical keycards and fobs can obviously be handed over in person. The number of digital keys you can issue at once varies by brand and subscription level.

Does an EV key fob need a battery?

Yes, most fobs use a small coin cell battery, typically lasting a couple of years under normal use. If the battery runs low, you will usually get a dashboard warning first. If it fails entirely, you can unlock the car by holding the fob close to a designated sensor on the door handle, which uses a short-range passive signal that does not need the fob's own battery to work.

Are EV keys compatible between different manufacturers?

No. Each manufacturer uses its own proprietary key system, app platform, and NFC or Bluetooth protocol. A Tesla keycard will not open a Volkswagen ID.4, and vice versa. If you run multiple EVs from different brands, you will need to manage separate apps and fobs for each vehicle, though some phone wallet integrations are starting to bring these together in one place.

Whether your EV came with a fob, a keycard, or relies entirely on your smartphone, the principle is the same: the car verifies a trusted credential before it lets you in or lets you drive. Once you are comfortable with your primary access method, it pays to understand what comes next: how you charge. Take a look at our guide to charging cables by car to find the right cable for your vehicle, and browse our range of portable EV chargers if you need a flexible home or away charging solution.