Question 1

Do you use OEM or aftermarket keys on a 2003 Acura RL?

Accepted Answer

We match the correct key blank, transponder chip, and remote frequency to your specific vehicle before we roll out. For a 2003 RL, that means verifying the blade profile fits your ignition and door locks, that the transponder pairs correctly with the immobilizer, and that the remote operates on the right frequency. Whether the shell is OEM-sourced or high-quality aftermarket, the functional spec has to match. What matters is that the key starts your car, operates the locks reliably, and holds up over time. We do not cut corners on the parts side because a key that fails two weeks later costs both of us more time than doing it right the first time.

Question 2

How long will the replacement key last?

Accepted Answer

As long as you treat it like a key and not a stress toy, it should outlast your ownership of the car. The programming does not wear out. The transponder either talks to the immobilizer or it does not, and a properly enrolled key keeps working. What does wear is the physical shell. Remote-head keys from this era take a beating in pockets and on keyrings, and the plastic housing can eventually crack. If that happens, the electronics can usually be moved into a fresh shell without re-doing the programming. Keep the key away from excessive heat, do not drop it into water, and swap the CR2025 when remote range starts to shrink. That is the whole maintenance list.

Question 3

What if the new key stops working after a few weeks?

Accepted Answer

Call me. That is what the warranty is for. If the key loses remote function, throws a key-not-detected warning, or stops starting the car, I come back and sort it out. I test every key before I leave the job, but if something surfaces after, it gets covered. That protection disappears when you buy a key online and figure out the programming yourself, or hand it to someone who does not stand behind their work. The 2003 RL is old enough that counterfeit and mismatched remotes show up on auction sites regularly. Buying wrong costs more than buying right the first time.

Question 4

I only have one key for my 2003 Acura RL. Should I get a spare before something goes wrong?

Accepted Answer

Yes, and the time to do it is when you still have a working key. Adding a second key while the original is in hand is the easiest version of this job. I can read what I need from the vehicle, cut and program the spare, and have you walking away with two working keys. Once that original is lost or damaged, the job becomes an all-keys-lost scenario, which takes longer and costs more. Owners on RL forums bring this up regularly, usually right after they describe fishing a key out of a storm drain or realizing they left the only copy in a car that just got towed. Getting ahead of it is the smarter move.

Question 5

My 2003 RL starts fine but the remote buttons stopped working. Do I need a whole new key?

Accepted Answer

Not necessarily. Start with the CR2025. A dead or weak battery is the most common reason the remote stops responding while the ignition still works fine, because the transponder chip draws almost no power but the remote transmitter needs a solid charge to reach the receiver. Pop the battery, put in a fresh CR2025, and retest all four buttons. If one button works and others do not, the issue is usually a worn contact pad on the circuit board inside the shell. That is a repair, not a full replacement. If fresh battery changes nothing, then the transmitter circuit itself may be gone, and a replacement key is the right call at that point.

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