These Are the Secret 2021 Ram Key Fob Tricks You Need to Know

From hiding an old-fashioned metal key to giving you the potential to start your truck from 300 feet away, this guide gives you all the secrets for your 2021 Ram’s key fob.
Written by Sarah Gray
Reviewed by Jessica Barrett
Updated on Nov 21, 2022
There’s a lot more to your
2021 Ram’s
key fob than just opening and closing the truck’s doors. From hiding a metal key to use if the fob’s battery dies to the ability to run your truck in accessory mode, our guide gives you all the goods on your Ram’s handy fob.
It seems like cars and trucks can do just about anything these days, but some are hiding neat tricks even seasoned drivers may not know about. If you want to be sure you’re getting the full potential out of your 2021 Ram’s key fob, then this is the guide for you.
Here to teach you everything you can do with your 2021 Ram’s key fob is
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How to find the hidden key in your 2021 Ram key fob

We probably all thought about it the first time we saw cars moving from metal keys to battery-operated fobs—what do I do when the battery in my fob dies?
Luckily, the engineers responsible for these little wonders thought of that too, so every smart key fob, including the one you have for your 2021 Ram, has a metal key inside that can lock and unlock your car manually in case you’ve got a dead fob battery.
To access your 2021 Ram’s emergency metal key, just press and hold the small silver rectangular button on the bottom right side of the fob. While holding down the button, grasp the silver accessory loop at the bottom of the fob and pull to slide out the hidden key.
When you head to the driver’s side door, you’ll only see one keyhole—slide the key in, and turn it to unlock your Ram. Now that you’ve gotten your truck open, slide the key back into the fob and hop in!

How to start a 2021 Ram when your key fob battery is dead

At this point, you’re probably sitting in your driver’s seat realizing that there are no keyholes in the 2021 Ram. Don’t worry, you can still use your fob to start your Ram because it contains a chip the ignition Start/Stop button can detect on contact. Just take the butt end of the fob (the end that’s not silver) and hold it against the Start/Stop button on your Ram’s dash. Press the brake, press the Start/Stop button with the fob instead of your finger, and the truck will start.
Now you’re ready to head to the store to pick up a replacement CR2450 battery.

How to enable 2021 Ram key fob tricks

Your 2021 Ram’s key fob isn’t just a master of disguising metal keys; it has quite a few other tricks up its sleeve, and you don’t have to do anything to enable them. Once your fob is programmed to work with your Ram, which happens long before it comes into your hands, you’re all set.

2021 Ram key fob basics: remote start, unlock, and lock

Your 2021 Ram key fob has some pretty basic functions you’re likely already familiar with, but just to make sure, let’s run through a quick primer:
  • Remote Start—If your 2021 is equipped with remote start, you’ll see a button on your fob that has “x2” with an arrow drawn around it. Press this button twice, and as long as you’re within 300 feet of your Ram, you’ll hear the horn honk and the engine start. Your Ram will run for up to 15 minutes, then shut off if you haven’t entered the vehicle. To cancel remote start, just tap the remote start button once, and the vehicle will shut off.
  • Unlock—You’ll notice a button with an image of an unlocked padlock on it. Tap it once to unlock the driver’s door and twice to unlock the rest of the vehicle’s doors.
  • Lock—You’ll also notice a button with an image of a locked padlock on it. Tap it once to lock all the doors on your 2021 Ram. Tap it twice to hear your horn honk, if you need assurance the locking mechanism has worked. 

2021 Ram key fob hidden features

The 2021 Ram may not have as many fun hidden features as some other models, but just having the fob on you allows you to do quite a few things when you’re in your truck—even when it’s not running. 
For example, if you enter your truck and then tap the Start/Stop button once without pressing the brake, your car will go into ACC or accessory mode, which allows you to do a variety of fun stuff without using any gas.
Here are some of the things your fob will let you do while your 2021 Ram is in accessory mode:
  • Raise and lower your windows
  • Engage the windshield wipers and washers
  • Lock and unlock doors and tailgate, liftgate, or swing gate
  • Access the infotainment system and listen to music

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Learning all the secrets to using your 2021 Ram’s key fob can make driving your truck that much more enjoyable. Luckily, the insurance experts at
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