2008 Lexus RX 350 Key Fob Battery Replacement Instructions

2008 Lexus RX 350 Key Fob Battery Replacement Instructions

Remote key fob grant easy access to your auto. If the remote key fob battery is discharged you will lose your fob’s ability to use distance opportunities. Below, we demonstrate how to disassembly your car keyless entry remote and replace a dead battery DIY. If you decide to do it at home near RX 350, follow our instruction, but don't forget to check everything you need before you start.

What type battery key fob require

Changing battery in key fob require flat head screwdriver and 1xCR1632 battery. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
  • 1xCR1632 battery
  • flat head screwdriver

Simple steps to change the battery in your RX 350's key fob

Inside of your keyless entry remote installed small coin cell battery. Remove any internal key first, and then try to pry apart the keyless entry remote.

Carefully try to open your keyless entry remote with hands or flat head screwdriver. Change CR1632 battery with flat head screwdriver.

Change old battery with fresh one CR1632. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.

Before assembling fob’s case, verify that all working fine by testing buttons on circuit board.

At this point squeeze keyless entry fob's back cover together. Line your case pieces together and put it together by hands from top to bottom. Inspect your fob shell for gaps. If it is not firmly closed try to repeat last step.

How to change the battery video guide

Lexus RX Key Battery Replacement - Quick & Easy in 4K - RX330 RX350 RX400h

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Lexus RX 350 require 1xCR1632 batteries. Most CR1632 batteries are under $6 build upon the size packaging, brand and type you buy. Take your old battery to the store, to find a proper replacement.

Remote key fob in most of cases reprogramming not required after battery replace. If your remote key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Changing your keyless entry remote battery is simple to do in 2008 Lexus RX 350. Most of car manufacturers think of the customers and make a special hole for remote key fob disassembly.

Dealer service cost for replace the battery in key is from $30 to as high as $500 depending on the make.

You should replace batteries inside remote key fob of Lexus RX 350 at least once in three years. The lifetime of battery differ on usage time, operating conditions and quality. Famous brands cells usually will last longer.

These symptoms will warning you that it's possible time to change battery in your 2008 Lexus RX 350: you didn't change battery more than 4 years, key fob buttons not working, low key battery indicator on dashboard and signal strength reduced.
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Fob Compatibility:

  2. Models: 2007-2015 Lexus RX350