Question 1

Why does Chevrolet key replacement cost so much at the dealer?

Accepted Answer

It depends on the year and what system the car runs. Newer Chevrolets with electronic key systems involve diagnostic tools, software subscriptions, and timed security procedures. That overhead gets passed to the customer.

Your 2004 Impala is a different situation. It uses a mechanical key, so the job is cutting metal to match your lock. There is no software subscription involved on the locksmith side. The dealer markup on a job this simple is mostly labor rate and shop overhead, not technical complexity. A mobile locksmith doing the same cut costs a fraction of what they wanted.

Question 2

My 2004 Impala uses a mechanical key. Does that mean anyone can copy it?

Accepted Answer

A hardware store can duplicate a key you hand them. But if you have no key at all, they cannot help. That is where it gets specific.

An all-keys-lost situation means the key has to be originated from scratch, either by pulling the key code tied to your VIN or by decoding the lock cylinder directly. That is a locksmith job, not a hardware store job. Once the blade is cut correctly to your vehicle, it operates the ignition, the door locks, and the trunk. The cut has to be accurate. A sloppy copy can feel like it works, then wear the lock over time or start misbehaving in cold weather when metal contracts slightly.

Question 3

How does a mobile locksmith compare to the dealer for a 2004 Impala key?

Accepted Answer

The dealer will quote you a service visit, a wait, and a bill that reflects their hourly rate and shop overhead. For a mechanical key on a vehicle this age, that is a lot of money for a cut piece of metal.

I come to the car, verify ownership, cut the key on site, and test it in the door and ignition before I leave. No tow, no drop-off, no picking it up the next day. You walk away with a working key for way less than the dealer route, and the job is done where the car is parked.

Question 4

I have one working key for my 2004 Impala. Should I get a spare made now or wait until I need one?

Accepted Answer

Make the spare now. One key is one parking-lot moment away from an all-keys-lost situation, and that costs more to fix than a simple duplicate. A spare cut while I have a working key to reference is the fastest and cleanest version of this job. Waiting until it is gone means originating the key from the VIN or decoding the lock, which adds steps. The spare is cheap insurance.

Question 5

My 2004 Impala key turns hard in the ignition. Is that a key problem or an ignition problem?

Accepted Answer

Worth sorting out before it gets worse, because worn ignition cylinders were a known issue on this generation of Impala. A lot of owners on forums reported the ignition getting stiff or the key getting stuck, especially with a heavy keychain pulling on the cylinder over years of use.

If the same key works fine in the door lock but binds in the ignition, the cylinder is the more likely suspect. If a freshly cut key also binds, that points toward the cylinder rather than the key itself. Either way, I can assess it on site. Sometimes the cylinder just needs the key code re-verified against a fresh cut. Other times the cylinder has worn enough that it needs service. Catching it before the key stops turning at all saves you from a much harder extraction job later.

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