How to Unlock a Car Door with the Key?

[AlexisDella]

Take out the mechanical key and insert it directly into the keyhole on the door. The serrations on the key alter the small pins inside the lock cylinder, aligning them parallel to the outer circumference of the cylinder. Turn the key to the right to unlock the door. If you need to install the mechanical key, insert it firmly into the smart key until the locking button returns to the locked position. Use the mechanical key to lock or unlock the door. Smart locks are equipped with mechanical keys as required by national regulations, mandating that factory-installed smart locks must include a mechanical key.

[StGia]

I've been driving for decades and remember when car keys were just a piece of metal. You could simply insert it into the door lock cylinder, turn it, and the door would unlock—simple and hassle-free. Nowadays, most cars come with remote keys, where pressing a button unlocks the door more quickly. However, if the battery dies or the remote fails, there's usually a hidden mechanical keyhole under or inside the door handle. Insert the mechanical key and turn it clockwise halfway to open the door. This method was common in older cars, and newer models still retain this design as a backup. I've found that manual unlocking, though a bit cumbersome, is sturdy and reliable. Regularly check the key slot to ensure it's not clogged with dust, as blockage can make insertion difficult, wasting time and potentially damaging the car's paint. If you frequently encounter issues, consider carrying a spare key or installing a security app on your phone for remote access.

[JoannaDella]

When it comes to unlocking a car door with a key, I prefer doing it manually: locate the keyhole on the driver's side door handle, which might be hidden behind a cover. Pry it open, insert the key, and gently turn it half or a full turn—it unlocks super fast. If your new car's remote key runs out of battery, don’t panic. Try the manual part first, as most keys can be opened to reveal a mechanical head. Always keep your key clean—avoid dropping it in water or getting it sticky, as corrosion can make insertion difficult. I recommend carrying a spare key in your backpack to avoid the embarrassment of being locked out. After unlocking, push the door slightly to confirm it’s unlocked before pulling the handle, saving yourself the hassle of pulling in vain.

[Sheldon]

Unlocking the car door is simple. Take the key and locate the keyhole on the door, which is usually a round hole or narrow slot. Insert the key and turn it clockwise about 90 degrees to unlock. Manual keys are basically compatible with all car models, and can be used when the remote fails. The steps are short and easy to remember: insert, turn, open. Regularly clean the key to avoid dirt causing it to be unresponsive.