Opening the Dodge Key Fob

Most Dodge key fobs open by sliding a small metal or plastic lever on the side of the fob, or by pressing a release button on the back. Look along the seam where the two halves meet — you will see a thin slot or a button marked with an arrow. Push or slide it in the direction the arrow points, and the fob will separate into two pieces.

If your fob does not have a visible slot or button, try gently prying the seam with a flat tool like a butter knife or a coin. Work slowly around the edge to avoid cracking the plastic. Some older Dodge fobs screw together instead; if you see a small screw on the back, use a Phillips head screwdriver to remove it.

Once the fob is open, you will see the battery sitting in a small metal holder or clip. Note which side of the battery is facing up — the positive side (marked with a + sign) should face the same direction when you put the new one in.

Key Takeaways

  • Dodge key fobs typically open by sliding a lever on the side or pressing a release button, not by twisting or pulling.
  • The battery type varies by model year and fob design, but CR2032 and CR2025 are the most common in Dodge vehicles.
  • Always note which side of the old battery faces up before removing it, so you install the new one in the correct direction.
  • New batteries cost between $3 and $8 at drugstores, supermarkets, and hardware stores, and the whole job takes less than five minutes.

Identifying Your Battery Type

The battery type depends on your Dodge model and year. The most common types are CR2032 and CR2025 — both are coin-shaped lithium batteries about the size of a dime. You can find the correct type printed on the old battery itself, or check your owner's manual under "key fob" or "remote control."

If you cannot find the battery type before you open the fob, take a photo of the old battery or bring it with you to the store. Staff at pharmacies, supermarkets, and hardware stores can match it for you in seconds. Do not guess — putting the wrong size battery in can damage the fob's contacts or cause it to malfunction.

Removing the Old Battery

Once the fob is open, gently lift the old battery out of its holder. Most batteries sit in a metal clip or spring that holds them in place. If the battery is stuck, use a plastic spoon or a plastic pry tool to nudge it up slightly — avoid metal tools that could scratch the circuit board inside.

Set the old battery aside in a safe place. You will not need it again, but keep it away from children and pets. Some stores and recycling centers accept old batteries, though throwing a single used battery in the trash is generally safe.

Installing the New Battery

Slide the new battery into the holder with the positive side (the + marking) facing the same direction as the old battery was facing. The battery should sit flat and click into place. If it does not sit flush, remove it and flip it over — you may have installed it upside down.

Do not force the battery into the holder. If it does not slide in smoothly, check that the metal clip is not bent or blocking the way. Gently bend the clip back if needed, then try again.

Closing the Fob and Testing

Align the two halves of the fob so the seams match up evenly. Press them together firmly until you hear or feel a click. If your fob has a release lever or button, slide it back into its original position. If it has a screw, replace and tighten the screw with your Phillips head screwdriver.

Test the fob by standing near your Dodge and pressing each button — lock, unlock, trunk, panic, or any other buttons your fob has. All buttons should respond with a light on the dashboard or a sound from the vehicle. If nothing happens, open the fob again and check that the battery is seated correctly and facing the right direction.

What to Do If the Fob Still Does Not Work

If the fob does not work after you install a new battery, the problem is usually one of three things: the battery is upside down, the battery is not seated all the way in the holder, or the fob's circuit board is damaged.

Open the fob again and check the battery direction and seating. If both look correct, try a different new battery from a different package — occasionally a battery is defective. If a second battery does not work, the fob's internal circuit may be damaged, and you will need to buy a replacement fob from a Dodge dealer or an aftermarket supplier. Replacement fobs typically cost between $50 and $200 depending on your model year and whether you program it yourself or have a dealer do it.

Where to Buy Replacement Batteries

CR2032 and CR2025 batteries are sold at nearly every pharmacy, supermarket, and hardware store. CVS, Walgreens, Walmart, Target, Home Depot, and Lowe's all stock them in the health or electronics section. You can also order them online from Amazon or the manufacturer's website.

Prices range from $3 to $8 per battery depending on the brand and where you shop. Name brands like Energizer and Duracell cost slightly more than store brands, but they perform the same way. Buying a multi-pack is cheaper per battery if you have multiple fobs or want spares on hand.

Frequently Asked Questions

How long does a key fob battery last?

Most key fob batteries last between three and four years with normal use. Heavy use — pressing the buttons many times per day — can shorten the life to two years. You will notice the fob working from a shorter distance before it stops working entirely.

Can I replace the battery myself or do I need a dealer?

You can replace it yourself in under five minutes with no special tools. You only need a flat tool to open the fob and a new battery. A dealer will do it for you, but they usually charge $50 to $100 for the service, so doing it at home saves money.

What if I lose the small metal clip inside the fob?

The clip holds the battery in place but is not essential. If you lose it, the battery will still work as long as it sits flat against the contacts. You can also buy replacement clips online for a few dollars, or ask a Dodge dealer for a replacement clip.

Is it safe to throw away the old battery?

A single used button-cell battery in the trash is generally safe. However, many stores and recycling centers accept old batteries for free. Check with your local waste management or search for a battery recycling location near you if you prefer not to throw it away.

Do I need to reprogram the fob after changing the battery?

No. Changing the battery does not erase the fob's programming. It will work exactly as it did before once the new battery is installed and the fob is closed.