The 2022 Stelvio remote uses a CR2032 coin cell battery that you can replace yourself in under two minutes

Your 2022 Alfa Romeo Stelvio key fob takes a CR2032 battery, a standard coin-cell battery available at any pharmacy, grocery store, or auto parts retailer for $3 to $8. The battery sits behind a removable cover on the back of the fob. You do not need any tools beyond a fingernail or a flat coin to open it, and the entire job takes longer to find the battery than to install it.

The fob will show signs before the battery dies completely. If your lock or unlock buttons require harder presses than usual, or if the fob only works from very close range, the battery is weakening. A completely dead battery means no response at all from any button, though the fob itself is not damaged.

Key Takeaways

  • The CR2032 battery costs $3 to $8 and is sold at pharmacies, grocery stores, and auto parts shops without needing to order ahead.
  • Open the fob by inserting a coin or fingernail into the slot on the back edge and twisting gently until the cover separates.
  • Note which side of the battery faces outward before you remove it, then install the new battery the same way.
  • Test the fob when ready after installation; if it does not work, remove and flip the battery 180 degrees.

Step-by-step battery replacement

Locate the thin slot that runs along the back edge of your fob, roughly in the middle. Insert a coin (a dime or penny works well) or your fingernail into this slot. Twist gently in either direction—the cover will separate from the fob body after a quarter turn or less. Do not force it; if you meet resistance, you are likely in the wrong spot or twisting too hard.

Once the cover comes free, you will see the CR2032 battery sitting in a small metal holder. The battery has a flat side and a rounded side. Before you remove it, note which side faces outward—this matters for reinstallation. Gently pry the battery out using your fingernail or the edge of the coin. The battery sits loosely and requires only light pressure to dislodge.

Insert the new CR2032 battery into the holder with the same side facing outward as the old battery. Press down gently until you hear or feel a small click; the battery should sit flush with the holder. Snap the cover back onto the fob body by aligning the edges and pressing until it clicks into place. Test the fob when ready by pressing the lock and unlock buttons from a normal distance.

What to do if the fob does not work after battery installation

If you installed the battery and the fob still does not respond, remove the cover again and flip the battery 180 degrees. The CR2032 works only one direction, and reversing it is the most common mistake. Reinstall the cover and test again.

If the fob still does not work after flipping the battery, the battery itself may be defective (rare but possible with older stock), or the fob contacts may be corroded. Remove the battery and inspect the metal contacts inside the holder for any green or white discoloration. If you see corrosion, clean the contacts gently with a dry cloth or a pencil eraser, then reinstall a fresh battery. If the fob remains dead after this step, the fob electronics may have failed, and you will need a replacement fob from an Alfa Romeo dealer or a third-party supplier.

Where to buy a CR2032 battery

CR2032 batteries are among the most common coin cells made. You can find them at CVS, Walgreens, Target, Walmart, and most grocery stores in the pharmacy or electronics section. Auto parts chains like AutoZone, O'Reilly, and NAPA stock them as well. Online retailers including Amazon carry bulk packs if you want to keep spares on hand.

Prices vary slightly by retailer and whether you buy a single battery or a pack. A single battery typically costs $4 to $8; a pack of two or four costs $6 to $12 total. Avoid buying the cheapest no-name brands if possible—name brands like Energizer, Duracell, and Panasonic are more reliable and often cost only slightly more.

How often the Stelvio remote battery needs replacement

A CR2032 battery in normal use lasts between two and four years in a car key fob. Heavy use—pressing the buttons many times per day—shortens this window. Leaving the fob in a hot car or exposing it to moisture also drains the battery faster. Most owners replace the battery once every two to three years.

If you find yourself replacing the battery more often than once per year, the fob may have a drain problem or the buttons may be stuck in a partially pressed position, drawing power constantly. In that case, have the fob inspected by a dealer or consider replacing it.

Keeping a spare fob working

If you have a second key fob that you use less often, its battery will last longer straightforward because it sits unused most of the time. However, a battery that has not been used for months can still lose charge. If your spare fob has not been tested in several months, replace its battery before you need it, rather than discovering it is dead when your primary fob fails.

Store spare fobs in a cool, dry place away from direct sunlight and heat sources. Do not leave them in the car during hot weather, as heat accelerates battery drain. A desk drawer or a closet is ideal.

Frequently Asked Questions

Can I use a different battery size if I cannot find a CR2032?

No. The CR2032 is the correct size for the 2022 Stelvio fob, and other sizes will not fit the holder or will not make proper contact. CR2032 batteries are widely available, so you should not have trouble finding one. If your local stores are out of stock, order online for delivery within one or two days.

Will replacing the battery erase my fob programming?

No. The battery powers the fob's transmitter but does not store the programming code. Replacing the battery will not affect the fob's ability to communicate with your vehicle. The fob will work when ready after you install the new battery.

What if the fob cover will not come off?

The slot is shallow and straightforward to miss. Try inserting your coin or fingernail at different points along the back edge, moving about a quarter inch at a time. explore only light pressure—forcing a coin into the wrong spot can damage the plastic. If you still cannot locate the slot, consult your owner's manual for a diagram showing the exact location.

Is it safe to replace the battery myself, or should I go to a dealer?

Replacing the battery yourself is safe and requires no special knowledge or tools. Dealers will do this job for you, but they typically charge $20 to $50 for labor, whereas the battery itself costs $3 to $8. The only reason to visit a dealer is if the fob does not work after you replace the battery and you suspect a hardware failure.