Sound familiar?Vaughan
- The call
- A car sits at the cottage all season, and the only key to it lives on a ring three hours away in the city. Every visit begins with the same small worry about whether that ring made it into the right bag.

A lockout last month ended with a locksmith opening the door and going home, and the same single key has been carried ever since with nothing behind it. The relief of getting back in faded within a week into the same exposure.
Spare car key duplication puts a second working key into your hand while the first is still around to copy from. The locksmith checks that you are entitled to the vehicle, reads the blade the existing key was cut to, and gives the new blank the same electronic identity the original carries, whether that means cloning a compatible transponder chip or enrolling a fresh chip through the car's diagnostic port. Before the visit ends, the new key is proven in every door, the trunk and the ignition or start button, so you leave with two keys known to work, not one tested key and one hopeful copy.
Sound familiar?Vaughan
Spare Car Key Duplication · Vaughan

Scene 1
Every make, model and model year settles on a particular combination of blade shape and electronic layer, and the locksmith identifies both before ordering a blank. The VIN narrows the search to the exact immobilizer generation the factory installed, which decides whether the chip can be copied directly or needs to be freshly coded through the car's diagnostic connection. A vehicle that has already had an aftermarket alarm or remote starter fitted sometimes changes what the factory system expects, so a look under the dash or a question about prior work can matter as much as the VIN itself.
Scene 2
When the original carries buttons for locking, unlocking or remote start, the new key or fob is programmed to the vehicle's receiver so those same functions respond from the spare. This usually means putting the vehicle into a programming sequence from inside the cabin, then pressing the new remote's buttons in the order the manufacturer specifies. Some platforms allow this through the doors and ignition alone; others need the diagnostic port involved as well, particularly when the remote functions are tied into the same module that manages the immobilizer, so the two steps happen together rather than separately.
Scene 3
A freshly cut blade benefits from being wiped clean of any cutting residue and given a light turn in each lock it is meant to open, which also confirms nothing was missed during testing. A new fob's battery is fresh from the visit, but it is worth noting the battery type on a label or in a phone note so a future replacement does not mean guessing at the hardware store. Keeping the spare's ring separate from a bunch of house keys also reduces wear on the blade from constant jostling against harder metal edges.
What shapes the quoteSteeles Corners Locksmith Services
FeesSame any hour
The whole process depends on having a working key to read or trace from, so making the spare while that key still exists is simpler than the alternative of proving ownership without any key present and building access from scratch. A spare made now also means a future lost key is solved by reaching for the second one already tested and waiting, rather than starting the whole process from nothing.
A relay attack is when nearby equipment picks up a proximity fob's signal from inside a house and relays it to a vehicle parked outside, tricking the car into thinking the key is close enough to unlock or start. It matters for every fob in the household, spare included, which is why storing any proximity key in a signal-blocking pouch when it is not being carried is worth doing for all of them.
Yes. A spare can be built to do everything the first key does, or scaled back to just the blade and chip that unlock a door and start the engine, without a remote start button or a trunk release. This is agreed before programming begins and is a deliberate choice rather than a lesser copy, useful for a valet, a young driver, or anyone the household wants kept to essential access.
YorkOntario
Spare Car Key Duplication · Concord, Steeles Corners, Thornhill
Every square is one home in a hundred.
On-site assessment
A lockout last month ended with a locksmith opening the door and going home, and the same single key has been carried ever since with nothing behind it.
(289) 216-9485, open 24/7.
On-site assessment preferred · (289) 216-9485, open 24/7