You’ll find all the instructions in the owner’s manual. Just know that most customer-programmable key fobs will require two current working keys in order to program the new one.

You’ll find all the instructions in the owner’s manual. Just know that most customer-programmable key fobs will require two current working keys in order to program the new one.

"You’ll find all the instructions in the owner’s manual. Just know that most customer-programmable key fobs will require two current working keys in order to program the new one," said Quincy.

Learning how to change the battery in a Toyota key fob isn't difficult. Whether you have a new or old model, we'll show you how to do it step by step.