Car Key Types Explained: What Each One Takes to Replace in Orlando

Three quick checks before you call

Check the key, a spare or a photo of it. If the key is gone, the car fills in the rest: a start button means a smart key, and a keyhole in the column or dash means a blade key of some kind.

• The blade: notches along the edges, or a wavy groove milled into the flat face.
• The head: all metal, thick plastic with no buttons, or lock, unlock and trunk buttons.
• The start: a key you turn, or a button you press with the fob in your pocket.

Basic metal key: cut it and go

How to tell: a plain blade with a thin head and no buttons, usually on an older car or truck. If your car is from the late 1990s or later, assume there is a chip until someone checks the year, make and model. There are exceptions: Hyundai told its dealers that engine immobilizers became standard on every Hyundai only in November 2021, and many earlier models without push-button start have none.

What replacing it takes: cutting only, done at the car. The technician reads the lock or looks up the key code, cuts a blade, and the car starts. If the old key sticks in the ignition, say so, because that can be the cylinder, and ignition repair at the car covers it.

Transponder (chip) key: cut, then programmed

How to tell: it looks like a basic key with a thicker plastic head and no buttons. The car reads the chip inside when you turn the key. A Honda owner's manual puts it plainly: with an improperly coded key, the fuel system is disabled. Ford calls its version SecuriLock, an engine immobilization system. That is why a cheap copy can open the door and still leave you stranded: the blade fits, but the car has never met the chip.

What replacing it takes: cutting and programming. The blade is cut, then the chip is registered to the car through the diagnostic port, or the code from a working key is copied onto it. For most makes, both happen at the car. Bring every working key. Our page on car key replacement in Orlando lists the makes we program on site.

Remote-head keys and flip keys

How to tell: a remote-head key is a chip key with lock, unlock and trunk buttons molded into the head. A flip key has the same parts, but the blade folds into the fob and springs out like a pocketknife.

Inside either one, the chip that lets the engine run and the remote that works the doors are separate circuits. Depending on the make, they are programmed together or one after the other, so a key can lock the doors and still fail to start the car. Tell the dispatcher which half stopped working.

What replacing them takes: cutting, plus programming for both the chip and the remote, at the car for most makes. Flip keys also wear out at the hinge. When a blade flops or snaps at the pivot but the electronics are fine, the insides can move into a new shell with a fresh blade cut to match. Bring every piece. Shells, batteries and programming are covered on our key fob replacement page.

Laser-cut and sidewinder keys

How to tell: instead of notches along the edges, the blade is thicker, with a wavy groove milled into its flat sides, and it usually works either way up. Honda's laser-cut keys are one of the most common on Orlando roads, and Ford moved many twist-key models to this style too.

What replacing it takes: cutting on a machine built for this blade, then programming, because these keys almost always carry a chip. A standard key machine cannot cut one; the van carries the right machine, so it is done at the car. A worn laser-cut key drifts further off with every copy, so new keys should be cut from the code rather than traced from the old one.

Smart keys for push-to-start cars

How to tell: a fob with no visible blade, and a car that starts with a button while the fob stays in your pocket. A release on the fob slides out a small emergency blade for the driver's door.

What replacing it takes: a fob matched to your exact year, model and trim, paired through the diagnostic port, with the emergency blade cut to match the door and any lost fob erased. For most makes it is done where the car is parked. Bring every fob you own so all of them are paired in one session.

First, rule out the battery. Honda's manual for the 2023 Pilot, for example, tells drivers with a weak fob battery to touch the fob's logo to the start button, then press it with a foot on the brake. Our guide to a key fob that stops working covers the other checks.

Orlando heat matters here. The National Weather Service says a dark dashboard or seat in the sun can reach 180 to over 200°F, and Energizer rates its CR2032, a coin cell many fobs use, to operate up to 140°F. A Honda owner's manual tells drivers to protect keys from direct sunlight and high temperature. Keep the fob in a pocket or bag, not on the dash.

Valet keys: the spare you may already own

How to tell: some cars came with a second, plainer key for parking attendants. In the Honda manual we checked, the valet key works only in the ignition and the door locks, so the trunk and glove box stay locked. Not every car has one.

On a chip-key car, the valet key starts the engine too: the same manual says a properly coded master or valet key must be used for the engine to start. One sitting in a kitchen drawer can turn an all-keys-lost job into a simpler one. Replacing it is the same as any chip key, cut and programmed at the car. Never keep it in the glove box: a spare stored in the car goes wherever the car goes.

Phone keys and digital car keys

How to tell: you unlock and start the car with your phone or watch, through the carmaker's app or a key in Apple Wallet or Google Wallet. No locksmith tool cuts or programs these. Apple says setup starts from the manufacturer's app, an email or text from the maker, or the car's display, and Google's Android instructions use the same three routes.

So for the digital key itself, a locksmith usually cannot help; restoring it runs through your carmaker account, the wallet app or the dealer. If the phone is lost or stolen, act on the phone first: Apple says marking the device as lost turns off the car key, though keys you shared stay active, and Google lets you suspend or remove the key through Find Hub.

A physical fob or key card that came with the car is a separate matter. Depending on the make, a lost fob may be replaced at the car like any smart key, and the dispatcher will say on the phone if yours is dealer-only.

Spare versus all keys lost

One working key of any type makes almost every replacement simpler. The technician can copy the blade or check it against the lock, and on many cars the new key is added beside one the car already knows. Ford even says owners with two previously programmed keys can make a spare themselves; our page on Ford keys and the two-key rule explains it.

All keys lost is a bigger job, not an impossible one. The technician works from the lock or the key code tied to the VIN, cuts a blade, programs the new key, and erases the lost ones so they no longer start the car. That matters if the keys vanished in a bag with your address in it. It takes longer, and the estimate reflects that.

When you are down to one key, get a spare made. Key duplication while the first key still works costs less than starting from nothing.

Aftermarket or original-equipment keys

Original-equipment keys and fobs are made for the carmaker and matched to your car's part number. Aftermarket keys are made by other companies to work with the same car. Some are excellent; some have weaker shells, stiffer buttons or shorter range, and a photo will not tell you which.

The fobs that cause the most trouble are bought online to save money. One that looks identical can carry the wrong frequency or part number and never pair, and a used fob from another car may refuse a second car. If you already bought one, tell the dispatcher before the technician drives.

As for the warranty, the Federal Trade Commission says a manufacturer may not deny coverage because you used an aftermarket part unless it can show that part caused the need for repairs. Whichever you choose, ask what you are getting, original or aftermarket, new or refurbished, before any work starts.

Proof of ownership, and why rental cars are different

Every key type needs the same paperwork, because a key made for the wrong person is a stolen car. Expect to show photo ID plus the registration or title in your name; an insurance card in your name also works. If the car belongs to a spouse or parent who is not there, a photo of the registration and a call from them is usually enough.

Rental cars are the exception visitors run into. The renter cannot authorize a new key for a car the rental company owns. A key locked inside is a lockout we can solve for the renter; a lost key goes to the rental company first. Our guide to being locked out of a rental car in Orlando covers the calls to make, in order.

Where Orlando keys go missing, and what to tell the dispatcher

An I-4 commuter's flip key snaps in a downtown office garage. A smart key goes into a theme park locker in the morning and is nowhere to be found at closing. A fob slides between the seats in a hotel garage on International Drive. Visitors and residents park side by side in those garages, and the same lost key means different things: the resident gets a key made at the car, the visitor calls the rental company.

With these details, the dispatcher can say whether your key is a same-visit job and give you a free estimate before anyone drives. The technician arrives in a marked van, shows ID, and goes over the price with you before any work starts.

• Year, make, model and trim, and whether it is push-to-start.
• What you have left: a working key, a valet key, a broken key, or nothing.
• What the key looked like: edge notches or a groove, buttons or none, flip or fixed.
• Exactly where the car is: garage name, level, row and nearest elevator.