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YongehurstLock & Key Co.
Open 24/7(289) 210-9708Open 24/7
Hands holding a black car key fob above a workbench, beside a wired handheld device with a screen. — Car Key Replacement, Richmond Hill
Two people beside a dark sedan, one holding up a black key fob. — Car Lockout Service, Richmond Hill

Car keys · Richmond Hill

Car Key Replacement

After fifteen years the blade has worn to a smooth sliver.

Call (289) 210-9708

In plain words

Winter produces its own kind of key trouble. Coin cells lose output in deep cold, so a fob that was fine in October goes quiet in January; a fob dropped in slush or lost under a snowbank is gone until spring; and the mechanical door lock on a keyless car, untouched for years and crusted with road salt, is stiff exactly when you need it. A replacement visit in these conditions covers it all: a working fob, fresh batteries, a cut emergency blade, and a door cylinder cleaned and lubricated per the maker's instructions, so the metal key is a real backup rather than a decoration.

Sound familiar?

The car is yours now, but somebody else still holds a key to it. Adding another key is not enough; you want the old ones to stop working the vehicle so the question is settled for good.

How the visit goes

Car Key Replacement

How the visit goes

Brass pull handle on a long rectangular plate with a keyhole, mounted on a black paneled door beside a white frame.
Hands using a yellow-handled screwdriver at a steel deadbolt plate on a dark door, with a steel knob below.
  1. Proof that the car is yours to key

    Before a blank leaves the van, the locksmith confirms that the person asking for a key is entitled to one. Government photo identification is the first piece. The second is a document tying that person to this vehicle: the vehicle permit with the VIN on it, an insurance slip, a lease, or fleet paperwork for a company car. The VIN on the paper is compared with the one stamped on the dash and printed on the door label. A car bought last week and still in the seller's name, an estate vehicle or a family member's car each has its own paper trail, and mentioning it on the phone means the right document is at hand.

  2. Programming the transponder through the diagnostic port

    With the blade cut, the electronic half of the job begins. On a vehicle with OBD-programmable keys, the locksmith connects a programming tool to the diagnostic port under the dash, selects the exact vehicle and immobilizer system, and starts a session that introduces the new transponder to the car. Some systems accept the key in moments; others enforce a security wait timer, or ask for a PIN that the tool reads from the vehicle or that is obtained through the manufacturer's secure-data route. The key is cycled in the ignition or held to the start button when prompted, and the tool confirms the number of keys the car now recognizes.

  3. Fob batteries through the cold months

    A replacement fob leaves with a fresh coin cell, and a small habit keeps it that way. Most vehicles show a low-battery message on the dash weeks before the fob goes quiet; treat it as a to-do rather than an alarm. Cold reduces what a coin cell can deliver, so a battery that is fine in autumn can fail on a January morning. The locksmith shows you how the car starts when a fob is flat, usually by holding it against the start button or in a marked pocket, and where the emergency blade is released, so a dead battery is an errand rather than a stranding.

Car Key Replacement

In the van

  • Decoding pick and lock reader

  • OBD programming tool

  • Vehicle battery maintainer

  • Transponder chip

  • Proximity fob with emergency blade

Technician in a cap working a screwdriver at a steel lock plate on a navy door, with an open tool bag behind.

Car Key Replacement

What affects the quote

  1. Where the vehicle is

    Travel is part of every mobile call. A car on a driveway across town and one in a lot at the end of a rural road involve different trips, and the quote reflects the distance.

  2. 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.

  3. Extracting a broken key

    Drawing a snapped blade out of a door or ignition cylinder without harm to the lock is a separate piece of work, done before the new key is cut, and it appears on the quote as its own line.

What to have ready

  • Where is the car parked right now, and is it locked?
  • Has the car's battery been flat or disconnected recently?
  • Do you have any key that still starts the car, or are they all gone?
Call (289) 210-9708

Car Key Replacement: questions

Questions
After a break-in the doors and ignition are on different keys. Can that be fixed?

Yes. When a door lock is forced and replaced, or an ignition is swapped, the car can end up needing two blades. A locksmith can rekey the replacement cylinder to match the surviving one, so a single key operates every lock again, and cut new keys to that combination. The transponder side is unchanged by the lock work, so your existing programmed keys carry on starting the car once the blades match.

Which documents count as proof of ownership?

Government photo identification plus the vehicle permit issued by ServiceOntario, the green ownership showing the VIN, is the usual pair. An insurance slip or a lease agreement in your name also works. For a company vehicle, a work order or letter from the fleet manager naming the VIN covers it. If you bought the car days ago, bring the bill of sale and the signed permit until the transfer is done.

Will I get a written estimate before the work starts?

You should expect one. Consumer rules for motor vehicle repair work in this province call for a written estimate before any charge and for your authorization of the work, and a good locksmith works that way as a matter of course. The estimate names what is being supplied: the blank or fob, the cutting, the programming, any erasing of old keys and the number of keys, so you can see the parts of the job before agreeing.

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