How to Replace the Key Fob Battery for a Ford Focus?

[VanJohnny]

Ford Focus key fob battery replacement steps are as follows: 1. Prepare necessary tools: a flat-head screwdriver, the car key fob requiring battery replacement, and a new battery. 2. Locate the circular button on the side of the key fob. Press this button with one hand while pulling out the mechanical key with the other hand. 3. Hold the key fob in one hand and the flat-head screwdriver in the other. Identify the central seam at the top of the key fob, insert the screwdriver into this gap, and gently pry upwards until the key fob separates. If initial attempts fail, gradually increase pressure until successful. 4. Remove the key fob's circuit board. Gently push one side of the old battery to remove it. Insert the new battery with the positive side facing upward into the battery slot, pressing gently until it clicks into place. 5. Reassemble by placing the circuit board back into the key fob, aligning both halves precisely. Apply firm pressure to both sides until fully sealed. Finally, reinsert the mechanical key into the key fob slot.