How Often To Change Car Remote Battery. Choose lithium batteries if you would prefer not to change your key batteries often. Place the negative side of the battery down onto the negative side of the remote (there are corresponding minus and plus signs on the battery).
Determine your battery type flip over your keyless entry remote and look for the battery type written on the back. Not having a fully functional key fob can lead to a lot of frustration and stress. The key fob is powered by a little battery.
In some cases, it will be impossible for a person to get into their car without a working key fob.
A quick and easy guide to replacing your honda key battery 1. If the battery type is illegible, don’t worry. Verify that the remote is actually bad by using a backup remote. That said, at that point you may be tempted to simply buy a new hybrid car, since battery technology for this segment is constantly getting cheaper and more efficient.