FobBattery is an independent review site that prides itself on unbiased reviews. I am not affiliated with any manufacturers and do not accept paid reviews. When you buy through my links, I may earn a commission which helps me purchase more key fobs for testing. - Scott
The Acura RLX was a mid-size executive car produced from 2012 to 2020. There are 2 key fobs available for the RLX, the “Smart 4-Button” and “Smart 5-Button” key fobs. You change the battery inside an RLX key fob yourself at home, it’s very simple. All you need is 1 CR2032 coin battery.
For other Acura models, see our Acura key fob battery page.
| MODEL | FOB | YEARS | BATTERY | BUY BATTERY |
|---|---|---|---|---|
| RLX | Smart 4-Button | 2014, 2015, 2016, 2017, 2018, 2019, 2020 | CR2032 | Check on Amazon |
| RLX | Smart 5-Button | 2015, 2016, 2017, 2018, 2019, 2020 | CR2032 | Check on Amazon |
How to replace the Acura RLX “Smart 4-Button” key fob battery (2014, 2015, 2016, 2017, 2018, 2019, 2020)
Scroll down to see a full video tutorial or keep reading for a step by step guide.
What you will need:
• 1x CR2032 battery
• Flat-head screwdriver
Start by removing the internal key from the device. On the bottom of the key fob, there is a space between the metal key ring and the edge of the back half of the key fob. Take your flat-head screwdriver and insert it into this area then carefully twist. The key fob will come apart.
Now, take your tool and gently pry the battery out. Take a new CR2032 battery and put it face-up into place. Finally, click the two halves of the key fob back together. That’s it, your key fob is good to go!
Buy CR 2032 Replacement Battery on Amazon
How to replace the Acura RLX “Smart 5-Button” key fob battery (2015, 2016, 2017, 2018, 2019, 2020)
Scroll down to see a full video tutorial or keep reading for a step by step guide.
What you will need:
• 1x CR2032 battery
• Flat-head screwdriver
Start by removing the internal key from the device. On the bottom of the key fob, there is a space between the metal key ring and the edge of the back half of the key fob. Take your flat-head screwdriver and insert it into this area then carefully twist. The key fob will come apart.
Now, take your tool and gently pry the battery out. Take a new CR2032 battery and put it face-up into place. Finally, click the two halves of the key fob back together. That’s it, your key fob is good to go!