2009 Hyundai Tucson Key Fob Battery Replacement Guide
If your auto key is not unlock doors properly, the battery more likely needs to be replaced. In this article, we outlined how to disassembly your car key fob and replace your Hyundai key battery step by step.
What kind of battery remote key fob useReplacing battery in key fob require 1xCR2032 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.
- 1xCR2032 battery
- flat head screwdriver
Simple steps to replace the battery in your car's key fob
Inside of your remote key fob installed coin battery. Delicately try to pry apart your key with hands or flat head screwdriver. Replace 1xCR2032 battery with flat head screwdriver.
Replace old battery with new one CR2032. 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 functions works by testing buttons on circuit board.
The last thing to do is put your cover back on fob. Delicately try to put the two halves in place by hands from top to bottom. If your fob shell firmly closed, we done. If not, repeat the last step.
Video of remote key fob disassembly
Hyundai Tucson Key Fob Battery Replacement (2005 - 2015)