Question 1

How long does getting a replacement key at the Audi dealer actually take?

Accepted Answer

Longer than most people expect. The typical flow is: call for authorization, wait for parts confirmation, schedule a programming appointment, bring the car in. If the key ships domestically you might be looking at a few days. If it routes through the European parts chain, owners on forums have reported waits stretching to a couple of weeks or more.

Then there's the appointment itself. Programming a new key on the dealer's system requires live server access, and if there's any sync issue between the new key and the immobilizer, the car can sit in the bay while the tech works through it. One pattern that shows up repeatedly in owner threads: people show up expecting a quick turnaround and leave with a follow-up appointment instead.

With me, it's same-day and on-site. You're not towing, not renting, not sitting in a waiting room.

Question 2

My 2016 Q5 uses a mechanical key. What does that actually mean for replacement?

Accepted Answer

It means the key turns in an ignition cylinder rather than operating a push-button start system. The replacement job has two parts: cutting a new blade to match your specific lock, and enrolling the transponder so the immobilizer recognizes it as an authorized key.

The cut alone won't get you going. A key that's shaped correctly but not enrolled will either do nothing or start the engine for a second before the immobilizer shuts it down. That brief start-then-stall is a common sign the transponder side wasn't handled correctly.

Both parts of the job get done on site, no tow required.

Question 3

Why does the Audi dealer take so long on key replacement compared to a mobile locksmith?

Accepted Answer

Three real bottlenecks.

First, the parts chain. Audi ties key authorization to the VIN at the corporate level. The dealer has to confirm the order before anything ships, and depending on stock, parts don't always come from a local warehouse.

Second, scheduling. Even after the key arrives, you need a programming appointment during service hours. Bay availability at a busy dealer can push that out by days.

Third, the actual programming requires a live connection to Audi's authorization servers. If anything in that handshake doesn't go cleanly, the tech has to work through it while your car sits in the bay. Forum threads are full of people who showed up for what they thought was a simple appointment and left without a working key that day.

The job I do on your driveway in the Las Americas Area doesn't have any of those delays built into it.

Question 4

I bought a replacement key blank online. Can I bring it to you, or does it have to be your part?

Accepted Answer

Short answer: it depends on the blank, and there's real risk in the online-part route.

The transponder inside the key blank has to be compatible with the 2016 Q5's immobilizer. A lot of aftermarket blanks sold online are listed as fits-many-models and the internal chip doesn't always match what this car's system expects. If the chip type is off, the enrollment process fails and you've got an unusable key you paid for.

I carry blanks I've vetted for this application. If you want to use a blank you sourced yourself, bring it and I'll tell you upfront whether it looks right before we go any further. I'm not going to charge you for a job that won't work.

Question 5

The engine starts but immediately stalls. Could that be a key or immobilizer problem?

Accepted Answer

Yes, and on the 2016 Q5 that start-and-stall pattern is one of the cleaner signs that the immobilizer is involved. The engine fires because the mechanical side of the key is working, then cuts out because the security system didn't validate the transponder signal.

It can happen with a worn key that's been used for years, a recently cut spare that wasn't enrolled correctly, or a key that got damaged internally even though it looks fine on the outside. I diagnose the transponder communication on site and handle the re-enrollment there. No need to guess or tow.

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