You’ll find your 2004 Acura MDX radio code on a sticker inside your glove box, door or trunk jam, or the lid of your fuse box. If you still can’t find it, you’ll need your car’s VIN and the radio’s serial number to get help from Acura directly.

We may not always realize it, but a

dead car battery

can still be annoying even after you’ve replaced it with a new one. That’s because the car battery dying or getting disconnected can cause your car’s radio to stop working, requiring you to find something called a radio code.

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Why your 2004 Acura MDX needs a radio code

Before modern cars started using fancy, deeply-integrated infotainment screens, car radios were among the most popular components targeted by thieves. This is because they were worth money and relatively easy to steal with little experience.

That’s why some automakers started using radio codes. Should the radio be removed or its power be interrupted, it can't work again without a unique code specific to your car.

This excellent security feature still protects older car radios from theft today. There's just one hitch: if the car battery dies or gets disconnected, you can't listen to the radio until you punch in that radio code. The good news? Finding your radio code is easy!

How to find your 2004 Acura MDX radio code

Your first stop on your quest to find your 2004 Acura MDX radio code? The glove box. You should see a small sticker displaying the radio code stuck to one of the walls of your glove box. If you don’t find one there, check these other locations:

A sticker in a door jamb or the trunk jamb

Underneath the lid of the car’s fuse box, inside the engine compartment

In your owner’s manual, usually on a small card

In your car’s maintenance journal

If you find the sticker, decal, or card, you’ll see two sets of numbers. The top number should have five digits. That’s your radio code. The set of numbers below that is your car radio’s serial number. You should consider adding these to your car’s manual or maintenance journal in case this ever happens again.

How to look up a 2004 Acura MDX radio code

If you can’t find your 2004 Acura MDX’s radio code, you’re going to need to find

your vehicle identification number (VIN)

and your radio serial number.

Your VIN is stamped onto the dashboard on the driver's side of the car—you'll have to look through the windshield to see it. You can also find it on your insurance card, your car loan statement, or the car's vehicle registration documents.

To find the radio's serial number, turn your ignition to ON, but turn the radio off. Press and hold radio presets one and six, then turn the radio on. Your serial number will split up over two screens, with the first four digits shown after the "U" and the second four digits shown after the "L". Ignore the "U" and the "L", though. You only need the eight numbers.

With your car’s VIN and the radio’s serial number at the ready, you can either call Acura customer service at (800) 382-2238 and ask for help directly or

visit Acura’s radio code help website

and type in the VIN and radio code there.

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Now that you’ve found your 2004 Acura MDX radio code, you’re probably thinking that was pretty easy, right? Now for the bigger surprise: you can save hundreds of dollars per year on your

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