

Car keys · Toronto
Car Key Replacement in Toronto
The engine cranks, catches for a second and dies, and a small key-shaped light keeps blinking on the dash.
In plain words
Most replacement keys are made where the car is parked. A mobile locksmith carries blanks, a cutting machine and programming equipment in the van, plugs into the diagnostic port and does the work on your driveway, in a parking garage or at the roadside. For most vehicles there is no need to move the car to a shop, and you watch the key cut and tested on the spot; a few systems still need a dealer or an equipped shop, flagged by the VIN check. The locksmith needs the vehicle's identity, proof of ownership, and what the old key could do, so the right parts are on board.
How the visit goesThe 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.
Car Key Replacement
How the visit goes


Do you still have one key that works?
The most important fact after ownership is whether a single working key exists. With one in hand, the visit is an add-a-key: the existing key proves the immobilizer is healthy, the new blade can be checked against it, and programming is usually the shorter routine. With none, it is an all-keys-lost job: the blade has to come from the lock or the code, and the immobilizer has to be reset before new keys are stored. A key that opens the doors but no longer starts the engine counts as no working key for programming purposes, though its blade is still useful as a pattern.
Testing every function before the handover
The visit ends with a checklist rather than a handshake. The blade is tried in the driver's door, the passenger door and the trunk lock, and in the ignition where one exists. The engine is started, allowed to run, shut off and started again. Each button is pressed and watched: lock, unlock, trunk, panic, remote start. On a proximity car, the handles are approached with the fob in a pocket and the start button is tried the same way. The spare goes through the identical routine. Anything that stays silent is sorted out on the spot, and the tally of keys the car recognizes is written down for you.
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.
Car Key Replacement
In the van
Fob coin-cell battery
OBD programming tool
Transponder chip
Remote frequency tester
Laser-style milling cutter

Car Key Replacement
What affects the quote
One working key or none
A spare added beside a working key is a shorter routine. Starting from nothing means working through whatever that vehicle's own all-keys-lost procedure calls for, commonly opening the car, decoding the lock and resetting the immobilizer, and the quote reflects those extra stages.
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.
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.
What to have ready
- Has the car's battery been flat or disconnected recently?
- Where is the car parked right now, and is it locked?
- Do you have photo identification and the vehicle permit with you?
Car Key Replacement: questions
QuestionsCan you make a key if every key to the car is gone?
Often, yes, for vehicles with a supported conventional key system: the car is opened, a blade is produced by decoding the door lock or retrieving the factory key code, and the immobilizer is reset so the missing keys are erased before new ones are stored. A key-card or phone-key vehicle, or one needing a dealer procedure, follows its own route instead, which is why the VIN is asked for on the first call.
What is a transponder key, and does my car have one?
A transponder is a small chip in the head of the key with no battery of its own. When the key is in the ignition, or the fob is inside the cabin, the immobilizer sends a signal and the chip answers with a code; if the code is unknown, the engine is prevented from running. Every new light vehicle sold in Canada since September 2007 has been required to have an immobilizer, so almost any car from that time on uses one.
Does the car have to be towed to a shop?
Often not. The cutting machine, blanks and programming tool travel in the van, and the work is done where the car sits: a driveway, a parking garage, the roadside or a workplace lot. The locksmith connects to the diagnostic port under the dash and cuts and programs on the spot. An unsupported or dealer-only system may still need the vehicle to go to a dealer or a suitably equipped shop, which the VIN check flags beforehand.
Related services

- Spare Car Key DuplicationA teenager just passed a driving test and reasonably wants a key of their own rather than negotiating over the family's single copy every time the car is needed.
- Key Fob ProgrammingA new driver has joined the household, and the one existing fob is the only key anyone has ever had cut for this vehicle.
- Transponder Key ProgrammingThe car came with a single key when the sale went through, and that key is the only thing standing between the household and being stranded.