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Open Mon–Thu 8:30 AM–9 PM, Fri 8:30 AM–4 PM, Sun 9:30 AM–9 PM
GTA Lockman Mobile Locksmith Services · Toronto & GTA
Spare and replacement keys for Cadillac vehicles, from older transponder keys to proximity fobs with push-button start.
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Cadillac is part of General Motors, and its keys follow GM's key families, with some features of their own. Which key your vehicle uses depends on the model, the year and often the trim level, so two Cadillacs from the same year can need different keys.
Broadly, Cadillac keys fall into three groups:
The reliable way to identify the right key is the VIN. It tells the technician which fob, chip and programming method the vehicle expects. General background on key types is on car key types.
A Cadillac proximity fob does three jobs: it unlocks the doors when you approach or touch the handle, it allows the engine to start with the button, and it carries the lock, unlock, trunk or liftgate, panic and often remote-start buttons.
Inside most fobs is a mechanical emergency key. It slides out and opens the driver's door if the fob battery dies. On many models the door lock cylinder sits behind a small cap on the handle, which has to be removed first.
If the fob battery is weak, the vehicle may report that no key is detected. Most Cadillacs still start if the fob is placed in the designated spot in the console or cupholder, or held against the start button. The owner's manual shows the location for each model. A fresh battery solves many fob problems before any programming is needed.
Adding a spare while you still have a working key is the simplest Cadillac key job. The new fob or key is cut, if it has a blade, and programmed to the vehicle alongside the existing key, which keeps working.
Many GM programming procedures require security access through a diagnostic tool, and some include a timed security wait before the vehicle accepts a new key. That waiting period is part of the manufacturer's process, not a delay on our side, and it is one reason key programming is booked as a proper appointment.
A spare is worth having on a vehicle with a proximity key. If the only fob is lost, the replacement becomes an all-keys-lost job, which is more involved.
If no working key is left, a replacement is usually still possible at the vehicle's location. The emergency blade is cut by code or by decoding the door lock, and a new fob is programmed to the vehicle. Programming also removes the lost keys from the vehicle's memory where the procedure allows it, so they no longer start the car.
Some model years and trims require dealer-level access for all-keys-lost programming. The VIN tells us before the visit whether that applies, so you are not left with a half-finished job. The general steps are on lost car keys with no spare.
Not every key problem needs a new key:
A fob that unlocks the doors but will not start the car, or the reverse, usually means one part of its programming is missing rather than that the fob has failed.
On older Cadillacs with a turn-key ignition, a key that sticks, will not turn or turns without starting can point to a worn ignition cylinder or a worn key. A key that has worn smooth can sometimes be recut from code, which often restores normal operation. See car ignition repair.
Door lock cylinders on vehicles that rarely use the key can seize from lack of use. They still matter, because the emergency blade is the way in when a fob battery fails.
Chevrolet and GMC vehicles share many of the same key families and procedures, though the fobs themselves differ. See Chevrolet key replacement and GMC key replacement.
Have the VIN, the vehicle registration or ownership documents, and identification that matches. Tell us whether you have a working key, what kind it is, and where the vehicle is parked. If you are not sure which key the vehicle uses, a photograph of an existing key or the start button area helps. Booking details are on car key replacement.
Keep reading
Often, yes. Many Cadillac proximity fobs can be programmed on site with the right tool. Some model years or all-keys-lost situations still need dealer-level access, which the VIN helps identify.
Often, yes. Many Cadillac proximity fobs can be programmed on site with the right tool. Some model years or all-keys-lost situations still need dealer-level access, which the VIN helps identify.
Many GM procedures require security access and some include a timed security wait before the vehicle accepts a new key.
Replace the fob battery first. Most models will still start if the fob is placed in the designated spot or held against the start button, as shown in the owner's manual.
Inside the fob. It slides out and opens the driver's door. On many models the lock cylinder is behind a small cap on the door handle.
Usually. A new fob is programmed to the vehicle and the emergency blade is cut by code or by decoding a lock. The lost keys are removed from the vehicle's memory where the procedure allows.
Often. The electronics can usually be moved into a new shell, keeping the existing programming.
A factory remote start button is part of the fob. Aftermarket remote start systems usually have their own fob and are programmed through that system.
The VIN, registration or ownership documents, matching identification, and any working key you still have.
GTA Lockman Mobile Locksmith Services is a mobile locksmith working on homes, businesses and vehicles across Toronto and the GTA, in the trade since 2010. Every review is written by a customer on Google, where you can read them in full.
Areas served: Toronto, North York, Scarborough, Etobicoke, Vaughan, Richmond Hill, Markham, Stouffville, Newmarket, Mississauga, Brampton, Oakville, Milton, Halton Hills, Pickering, Ajax, Whitby, Oshawa, Uxbridge.
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