Question 1

How long does an Acura dealer actually take to replace a key on a 2015 RLX?

Accepted Answer

The programming step itself is not the slow part. On a properly functioning setup, a technician with the right diagnostic software can register a new fob in roughly 10 to 15 minutes of actual tool time. What eats the day is everything around it: writing up the repair order, waiting in the service queue for a certified tech, pulling the fob from parts inventory, and sometimes sitting through slow server handshakes on the dealer's diagnostic system.

Dealers typically book key programming at somewhere between half a labor hour and a full labor hour. But owners on Acura forums consistently report that the real door-to-door visit runs 1.5 to 2 hours, and that's on a good day. A few have posted about being told the car would be ready by a certain time, showing up, and finding it hadn't been touched yet.

With mobile service, you're not waiting in that queue. I show up to your location, the work starts when I arrive, and for most RLX key jobs the hands-on time is under an hour.

Question 2

What kind of key does the 2015 Acura RLX use, and what does replacement actually involve?

Accepted Answer

The RLX uses a proximity smart key. There is no ignition cylinder you insert it into for normal operation. The fob communicates with the vehicle's security system wirelessly, and the start button does the rest. Folded inside the fob body is an emergency mechanical blade for manual door entry if the fob loses power or communication.

Replacement has two sides to it. First, the new fob has to be programmed to your specific vehicle so the immobilizer recognizes it and allows the engine to run. Second, the emergency blade inside the fob has to be cut to match your door and ignition cylinder. Both have to be right before the key is actually finished. The chip must be enrolled to your VIN. A blank fob you order online won't do anything until that programming step is completed with proper diagnostic equipment.

Question 3

Why does the dealer take so long on Acura key jobs if the programming itself is quick?

Accepted Answer

It is a workflow problem, not a technical one.

The actual on-tool time for registering a fob to a 2015 RLX is short. But a dealership service department runs on repair orders, technician queues, and parts pulls. Your car sits until a dispatcher assigns it. Then it waits for a certified tech to be free. Then that tech walks to the parts window, loads the diagnostic software, and initiates the connection. If the server is slow or the tech gets pulled to another job, your car waits again.

Dealers book this as a fraction of a labor hour, but the full visit with check-in, queue, programming, checkout, and payment can easily stretch past two hours. Mobile service skips all of that. When I arrive, that's when the job starts.

Question 4

I still have one working key for my RLX. Should I get a spare made now or wait until I need it?

Accepted Answer

Make the spare now. This comes up constantly in RLX owner discussions because the car is not a high-volume model, and that has two practical consequences. Stock of fobs and blanks is thinner than it is for mainstream vehicles, and the urgency tax on an all-keys-lost situation is real.

When you still have a working key, the job is simpler, faster, and adds a second fob without wiping or resetting anything. If you lose the last key, the process is more involved because the immobilizer has to be reset before new keys can be enrolled. That takes more time and more steps. Doing it while you still have the working key in hand is the straightforward call.

Question 5

My RLX fob works sometimes and fails other times. What causes that kind of intermittent behavior?

Accepted Answer

Intermittent is almost always one of three things: a weakening fob battery, a compromised battery contact inside the fob, or signal interference in a specific location.

Start with the battery. Even if the fob seems to work most of the time, a battery that's dropping below threshold will cause inconsistent behavior before it fails completely. Range gets shorter, the proximity sensor reads the fob late or not at all, and some functions start dropping out while others still work.

If a fresh battery doesn't stabilize it, open the fob and check the contact points. A slightly bent clip or a contact that got pushed out of position during a previous battery swap can cause exactly this kind of on-and-off behavior.

The third possibility is location-specific interference. Certain parking structures, buildings with heavy RF traffic, or even some aftermarket electronics in the vehicle can create dead zones. If the problem only happens in one place, test it somewhere else before chasing a hardware fix.

If all of that checks out and it's still intermittent, the fob's internal hardware may be degraded. At that point, a replacement fob programmed to the vehicle is the right move.

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