Skip to content
CobourgLock & Key Co.Open 24/7 (289) 677-1674
Hands holding a silver-colored lock cylinder and a black-headed key above a workbench with loose keys and another cylinder. — Spare Car Key Duplication, Cobourg

Car keys · Cobourg

Spare Car Key Duplication

Two coworkers share one delivery van and one key between them, trading it at the start and end of every shift in a parking lot. A missed handoff leaves someone standing beside a locked van with nowhere else to be.

In plain words

Making a spare before the original goes missing is simpler than making one after, because the whole process is built from a working key to read or trace from. With the vehicle and its existing key both present, the locksmith identifies the blade profile and the chip or coding the immobilizer expects, produces a matching blank, and gives it the same electronic identity as the first key. Testing both keys side by side in every door and the ignition confirms the spare performs the same way, so a future lost key becomes an errand rather than a call for entry.

Sound familiar?Cobourg

The call
A 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. Two drivers and one key keep colliding on the same schedule.

NextHow the visit goes

Spare Car Key Duplication · Cobourg

How the visit goes

Illustrative locksmith scene
  1. Scene 1

    Deciding between copying and programming the chip

    Some immobilizer systems allow a new chip to be cloned directly from the working key's own data, which lets a matching second key be produced from the original. Other systems, including some that use rolling codes or added cryptography, call instead for connecting to the vehicle through its diagnostic port and enrolling a freshly coded chip as an additional authorized key rather than a copy of the first. The locksmith identifies which method the specific vehicle and transponder support before starting the work, since the two routes use different tools and take different amounts of time at the vehicle.

  2. Scene 2

    Cutting the blade

    A mechanical duplicate is produced either by tracing the original on a key-cutting machine, which follows every notch of the existing blade into a fresh blank, or by cutting to a factory code pulled from the VIN and the lock manufacturer's records. Code-cutting is used when the original is too worn to trace reliably, since copying a worn blade would simply pass its rounded edges on to the spare. Either way the new blade is deburred and test-fitted into the door or ignition lock before any electronic work begins, so a mechanical problem is caught early rather than blamed on the chip later.

  3. Scene 3

    Two keys, both proven

    The visit ends with two keys that have each been tested on their own: every door, the trunk or hatch, the ignition or start button, and any remote functions. Neither key is a backup that has only been assumed to work, and neither is treated as the senior copy. It is worth deciding on the spot which key rides on the daily ring and which goes into storage, and writing that decision down somewhere the household will actually check later, such as a shared note or a label on the ring itself, rather than trusting memory a year from now.

In the van

  • Code-cutting machine
  • Deburring file
  • Key gauge and calipers
  • VIN and key-system reference
  • Transponder chip

What shapes the quoteCobourg Lock & Key Co.

Authorization documentation
A vehicle registered to a business, financed through a lender, or owned by a family member sometimes needs an extra document confirming who may hold a key, which is sorted out before work begins.
Timing around the day's other calls
A visit that fits between other scheduled stops is generally simpler to arrange than one needing a dedicated block of time set aside on its own.
Condition of the working key
A clean, unworn original traces onto a blank without much fuss, while a thinned or damaged blade may need cutting to a factory code instead, which is a different process with its own materials.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(289) 677-1674

Short answers to common questions

What is the difference between a transponder key and a smart key?

A transponder key still has a blade you insert into the ignition, with a chip in the head that the immobilizer checks once it is turned. A smart or proximity key usually stays in a pocket or bag; the vehicle senses it nearby, unlocks the doors, and starts with a push button rather than a turned key. Both rely on the same underlying idea, an electronic identity the vehicle recognizes, delivered in different ways.

How should I store the spare once I have it?

Somewhere other than inside the vehicle, since a spare kept in the glovebox solves little if it is the vehicle itself that becomes inaccessible. A bag that travels separately, a drawer at home, or a trusted family member all work. A passive proximity spare also benefits from a signal-blocking pouch during storage, since that kind of fob keeps broadcasting even sitting untouched in a drawer; a standard button-operated remote does not need the same pouch.

Will the spare include the remote buttons?

If the original has remote buttons and you want the spare to match, yes: the new key or fob is programmed to the vehicle's receiver so locking, unlocking and any other remote function respond the same way from either key. If a simpler spare is preferred instead, the remote portion can be left out while the chip that starts the car is still fully recognized.

Cobourginformation

NorthumberlandOntario

Town
Cobourg, Northumberland
In business
13 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.

  • 52 in 100 homes · older homes
  • About 52% of homes in Cobourg were built in 1980 or earlier, according to the 2021 Census.Established homes often have non-standard bores and backsets from an earlier generation of hardware. A locksmith working in such an area carries adapter plates and cylinders in the older sizes, so an upgrade fits the existing door instead of forcing a new one.
  • Single-detached houses make up about 58% of homes in Cobourg (2021 Census).Neighbourhoods of houses beside townhouses and low-rise buildings have a range of door constructions: solid wood, steel, fibreglass and metal-clad. A locksmith who works in such an area is used to fitting hardware to all of them without new holes.

Source: Statistics Canada, Census Profile

Open Cobourg in Google Maps

On-site assessment

Request a visit.

Two coworkers share one delivery van and one key between them, trading it at the start and end of every shift in a parking lot.

(289) 677-1674, open 24/7.