TUTORIAL: How to change the key battery on Opel / Vauxhall / Holden Astra G, GT, Zafira, Vectra in 4 simple steps
In this video tutorials we are going to show you how to change or replace the key battery on Opel / Vauxhall / Holden Astra G, GT, Zafira, Vectra in four simple steps.
You can find the Opel Astra G Key Battery HERE: https://amzn.to/3cgi1n5
Required tools:
– a flat blade screwdriver
1. Use a flat blade screwdriver to open the key
Slide the screwdriver into that small hole and push it down to open it.
There is the transponder chip and be careful not to lose it.
2. Split the plastic piece in half
The Opel Astra G key has a standard CR2032 3V battery.
3. Replace the old battery and install the new battery
4. Put all the parts together.
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