How To Change Lexus Es350 Key Battery. With the engine turned off and no accessory load the battery should be showing a charge of about 124 128. Although some batteries last much longer most batteries begin breaking down chemically after four years so you could experience dimmer headlights and other negative effects before you have a dead battery in your ES350 that you need to replace.
We recommend changing the battery in Lexuss every 4 years. If your Lexus key fob isnt functioning like it used to it may be time for a Lexus key battery replacement. With the engine turned off and no accessory load the battery should be showing a charge of about 124 128.
How long can I expect the battery in the key to last.
You can prolong the life of your ES 350 battery by. We recommend changing the battery in Lexuss every 4 years. Most fob batteries for keyless remotes are sold at hardware stores. It is a lexus installed battery.
