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MYSTIC.AUTO KEY (617) 961-9211

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Hyundai key replacement

Hyundai key replacement on site across Somerville and the inner-north Boston metro. Cut and programmed at the vehicle — no tow, no dealer bay.

Call (617) 961-9211 Book a spare key

Spare (working key)

$135–375

All keys lost

$375–550 (push-to-start fobs)

Typical time on site

30–70 minutes

Hyundai key systems by year

The key Hyundai used changed over time. Knowing the year tells you the system and whether it is handled on site. Add a spare while a working key exists and the job stays on the lower end of the range.

Years System On site?
2007–2016 Transponder / remote-head key Elantra and Sonata from this era clone and program cleanly when a working key is present. Yes
2016–present Smart key / push-to-start Tucson, Santa Fe, and Sonata smart keys handled on site for the common trims. Yes

When a Hyundai is dealer-only

  • •All-keys-lost for bladed keys is not currently offered — the dealer is the path there.
  • •Some 2022+ models with the newer immobilizer may require dealer pairing for all-keys-lost; spare addition remains on site. Confirmed by VIN.

You are told before I head out, and before any charge, if your vehicle falls in this group.

The honest comparison

A Hyundai spare made while a working key exists is the cheapest version of the job — the chip is cloned, no immobilizer session required. The same key originated after the last one is lost costs meaningfully more. A second key today is the cheapest Hyundai key you will ever buy.

Questions about Hyundai keys

Hyundais are targeted for theft. Does a new key help?
A replacement key does not change the vehicle security hardware. What it does guarantee is that a lost key is cleared from the immobilizer during an all-keys-lost job, so the old key no longer starts the car.
Can you make a spare Hyundai smart key on site?
Yes for most model years. A spare smart fob is paired to the vehicle on site — and on a Hyundai, where theft risk is elevated, a spare is also your insurance against the all-keys-lost rate.

Or match your key by sight

Already know your key? Match it here.

Choose your key type

Select a key above to see the price range and what to do next.

Basic metal blade

Honest price range

Spare $45–75

All keys lost $60–95

Spare: Order ahead · 2–3 days All keys lost:

A plain cut key with no electronics. Common on older domestic trucks and a few basic models. No transponder, no buttons.

Bladed keys are cut to your vehicle’s specification, so this is booked ahead rather than done on the spot. Order today, programmed and in your hand in 2–3 days.
Order this key See full pricing

Transponder key

Honest price range

Spare $135–185

All keys lost $225–325

Spare: Order ahead · 2–3 days All keys lost: Not currently offered

A plastic-headed key with a transponder chip inside. Looks like an ordinary key but the vehicle will not start without the chip. Most cars since about 1998.

Bladed keys are cut to your vehicle’s specification, so this is booked ahead rather than done on the spot. Order today, programmed and in your hand in 2–3 days.
All keys lost for this key type is not currently offered. The dealer is the path when every bladed key is gone — get a spare while a working key still exists.
Order this key See full pricing

Remote head key

Honest price range

Spare $175–250

All keys lost $275–375

Spare: Order ahead · 2–3 days All keys lost: Not currently offered

A key blade plus lock and unlock buttons built into one plastic body. The most common key shape on the road today.

Bladed keys are cut to your vehicle’s specification, so this is booked ahead rather than done on the spot. Order today, programmed and in your hand in 2–3 days.
All keys lost for this key type is not currently offered. The dealer is the path when every bladed key is gone — get a spare while a working key still exists.
Order this key See full pricing

Smart proximity fob

Honest price range

Spare $250–375

All keys lost $375–550

Spare: Available now All keys lost: Available now

A fob with no blade. You keep it in your pocket and push a button to start. Push-to-start proximity keys are standard on most cars built after about 2014.

All keys lost: Yes, the largest jump. There is no blade to copy — the fob is paired to the vehicle through an encrypted programming session, and a PIN is often extracted first.
Call (617) 961-9211 See full pricing

Laser-cut / sidewinder blade

Honest price range

Spare $175–250

All keys lost $300–450

Spare: Order ahead · 2–3 days All keys lost: Not currently offered

A thick blade with the cut milled into the side rather than the edge — the signature cut on many modern Honda, Lexus, and higher-trim keys. Often paired with a transponder or smart system.

Bladed keys are cut to your vehicle’s specification, so this is booked ahead rather than done on the spot. Order today, programmed and in your hand in 2–3 days.
All keys lost for this key type is not currently offered. The dealer is the path when every bladed key is gone — get a spare while a working key still exists.
Order this key See full pricing

Next step

Call now, or book a spare key

Calls answered directly. Same-day service in most cases.

Call (617) 961-9211 Book a spare key

The price quoted on the phone is the price you pay. No bait-and-switch.

Call (617) 961-9211