How to Replace a Battery in a GM Remote

by Kyle McBride

General Motors (GM) keyless entry systems allow car owners to unlock the doors on their GM vehicles by pressing a button on a small key fob. The key fob is a transmitter that sends a signal to a receiver in the vehicle to unlock the doors. The transmitter is powered by a small battery inside the fob. With use over time, the battery eventually gets too low to transmit the signal thus the fob no longer works as intended. A small screwdriver is all that is needed to open the fob so that the battery can be replaced.

Step 1

Insert the tip of the screwdriver into the notch on the edge of the fob adjacent to the keyring hole.

Step 2

Turn the screwdriver inside the notch to gently pry apart the halves of the fob.

Step 3

Remove the battery gently. The battery holder is fragile and will not tolerate aggressive handling. Lift the edge of the battery, then slip it out of its holder.

Step 4

Insert the new battery into the battery holder, then snap the fob case back together.

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