How to Open Your 2003 Buick Rendezvous Key Fob & Change Battery

How to Open Your 2003 Buick Rendezvous Key Fob & Change Battery

If your car remote key fob is not unlock doors well, the cell battery more likely needs to be changed. Yes, it is possible to replace the battery in your key fob, and it’s easier than you think. Everything you need is outlined below.

What size battery does 2003 Buick Rendezvous remote key fob required

Replacing battery in key fob require 1 CR2032 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step instruction

A small button battery installed inside the your key fob. Accurately try to pry apart your key with flat head screwdriver. Replace CR2032 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's body. Battery must be placed with the same polarity as was an old. Your key fob will not work if you by mistake place battery wrong way.

Before assembling fob’s case, make sure that everything is functioning by testing buttons on remote key fob.

At this point squeeze fob’s back cover together. Line your case pieces together and put it in place by hands from top to bottom. Check your key body for gaps. If it is not firmly closed try to repeat last step.

Video of key disassembly

How To Replace A 2002 - 2007 Buick Rendezvous Key Fob Battery

Still not working? Buy new one

Frequently Asked Questions

Key fob of Buick Rendezvous use 1xCR2032 batteries. Most CR2032 batteries are under $4 depending on the type, brand and size packaging you buy. You can take old battery to the store, with you to find a proper replacement.

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

Yes, you can replace battery in your 2003 Buick Rendezvous key fob yourself. Most difficult part is to open keyless entry fob's case. It's pretty easy with our step by step guide.

Dealer service price for replace the battery in key fob is $50-600 depending on the brand.

Keyless entry remote batteries in Buick Rendezvous should be changed once in three or four years, but this will vary based on frequency of use and build quality. If your key fob reduced signal strength, you should replace batteries before it stop working and make problems for you.

These symptoms will alert you that it's probably time to change battery in your Buick Rendezvous: key fob buttons not working, you didn't change battery more than 4 years, low key battery indicator on dashboard and signal strength reduced.
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Fob Compatibility:

  1. FCC ID: L2C0007T
  2. Models: 2002-2007 Buick Rendezvous