Skip to content
AshburnhamLock ExpertsOpen 24/7 (249) 494-7410
Hands holding a black car key fob above a workbench, beside a wired handheld device with a screen. — Car Key Replacement, Greenhill

Car keys · Greenhill

Car Key Replacement

The only key to the car went into the lake with the kayak. Now the car sits locked in the driveway with a full tank, and there is no spare in the house, in a coat pocket or anywhere else.

In plain words

Older vehicles without an immobilizer are a pleasure to key, but whether a given car has one is checked rather than assumed from age, since several early-2000s vehicles already shipped with a factory immobilizer. Where a car genuinely needs only a blade, it is cut to the factory code or to a reading of the lock rather than copied from a worn original, so it seats cleanly in an ignition that has seen twenty winters. Where the ignition wafers are tired, the locksmith can say so and service the cylinder in the same visit. The result is a key that turns like the car was new, without the daily jiggle.

Sound familiar?Greenhill

The call
The fob went through the washing machine in a jacket pocket. It came out clean and completely silent. Nothing unlocks, the push-button start ignores it, and the little metal blade hidden inside only opens the driver's door.

NextHow the visit goes

Car Key Replacement · Greenhill

How the visit goes

Handheld diagnostic unit with a screen and buttons lying on a dirty car floor mat, cabled to a port under the dash. — Greenhill
  1. Scene 1

    Reading the VIN for the key system

    The seventeen-character VIN tells the locksmith what kind of key the car was built with. From it, together with the year, make and model, comes the blade profile (a plain edge cut or an internal high-security cut), the transponder type and immobilizer generation, the remote's frequency and part number, and whether the car uses a proximity fob, or instead a phone-key or key-card system with no cut blade at all. This lookup happens before the visit so the correct blank, shell or fob is in the van, and it flags systems needing a security PIN, manufacturer data or a dealer procedure. A photo of the old key, if any survives, confirms the reading.

  2. Scene 2

    Decoding the door lock when there is no code

    When the code is unavailable, the lock itself becomes the source. The locksmith works a decoding pick into the driver's door cylinder, feels each wafer to its set position and reads off the depth, producing a full cut sequence without removing the lock from the door. The blank is then cut to that reading and tried in the door and the ignition. On cars where the ignition carries an extra wafer the door lacks, the last position is found by trying the small number of possible depths. This is careful, patient work that leaves the door lock exactly as it was.

  3. Scene 3

    A crisp new blade in a well-used ignition

    A blade cut to code is made to the lock's original dimensions, so it should turn smoothly from the first use. What it should never do is need the wiggle the old key needed; if it does, or it feels stiff or forced, that points to worn ignition wafers or a cutting issue, and the cylinder is checked and serviced or rebuilt rather than waited out. Keep the new key on a light ring, since a heavy bunch hanging from the ignition is what wears the wafers in the first place.

In the van

  • Vehicle battery maintainer
  • Security PIN or secure-data access
  • Code-cutting machine
  • Remote frequency tester
  • OBD programming tool

What shapes the quoteAshburnham Lock Experts

Security data for the vehicle
Some cars give up their programming PIN through the tool; others require the code to be retrieved from manufacturer secure data, which involves a registered request. That step is quoted when the VIN shows it applies.
Time of the call
A weekday afternoon and a holiday evening cost the same amount for a car key replacement. The locksmith confirms the exact figure on site once the vehicle, the fob type and the number of keys needed have been checked in person.
Programming route the car allows
Some vehicles accept a new key through an on-board routine, most through the programming tool, and a few only through a dealer procedure. The route determines the time and the data involved, and the quote says which it is.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(249) 494-7410

Questions we hear most

My copied key opens the doors but the engine cuts out. Why?

The blade was copied but the chip was not. A hardware-store duplicate cut onto a plain blank has the right teeth, so it turns the locks and the ignition, yet the immobilizer hears no answer and shuts the engine off after a moment. The remedy is a proper transponder key: a blank with the correct chip, cut to your blade and programmed to the car, or a chip cloned from a working original.

Can you make a key for a car with push-button start?

On many vehicles, yes: a proximity fob is registered to the vehicle through the diagnostic port in much the same way as a transponder key, and then tested for passive entry at the handles and for starting with the fob in a pocket. Other systems pair a proximity fob through onboard, app-based or dealer-only steps instead. The emergency blade tucked inside the fob is cut to the door lock so you have a mechanical way in, and the VIN check reveals in advance which route a given vehicle needs.

The fob died in the cold. Is that a battery or the key?

Almost always the battery. Coin cells deliver less in deep cold, and a cell that was already weak goes quiet on the first bitter morning. Most cars still start with a flat fob if it is pressed to the start button or laid in a marked slot, and the emergency blade opens the door. Replace the cell, and if the fob stays silent with a fresh one, the remote board or a corroded contact is the next thing to look at.

Greenhillinformation

PeterboroughOntario

Town
Greenhill, Peterborough
In business
27 years
Hours
Open 24/7
Nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

2021 census: what it means at the door

Every square is one home in a hundred.

  • 64 in 100 homes · older homes
  • About 64% of homes in Peterborough were built in 1980 or earlier, according to the 2021 Census.Older homes tend to have had many hands on their doors: owners, tenants, tradespeople, family. A locksmith visiting such a house pays attention to who holds keys now, and rekeying or a keyed-alike set often matters more than any new hardware.
  • Single-detached houses make up about 57% of homes in Peterborough (2021 Census).In a mixed area, a locksmith's advice bends to the building. For a house, the side door and garage entry get attention. For an apartment, the suite door's closer, strike and viewer do. The principle is the same: look at how the door is actually used.

Source: Statistics Canada, Census Profile

Open Greenhill in Google Maps

On-site assessment

Request a visit.

The only key to the car went into the lake with the kayak.

(249) 494-7410, open 24/7.