Acura RL key fob battery
2 of the 17 model years listed for the Acura RL have a proven battery. The most common answer is CR2025. Rows below run oldest to newest; a year can appear twice when the car came with more than one kind of key.
- 1996-2007Remote (separate)
Not confirmed yet
- 2008Smart key
CR2025
Owner's manual: manualowl.com (checked Nov 1, 2026)
Manual text: “Replacing the Remote Battery ... CR2025”
Find CR2025 on Amazon - 2009-2010Smart key
Not confirmed yet
- 2011Smart key
CR2025
Owner's manual: manualowl.com (checked Nov 1, 2026)
Manual text: “Replacing the Remote Battery ... CR2025”
Find CR2025 on Amazon - 2012Remote (separate)
Not confirmed yet
Changing the battery
Smart key (push-button start)
- Most push-button fobs hide a metal backup key. Press or slide its catch and draw the key out first.
- Use the slot where the metal key sat. Twist, do not lever hard, and work along the seam until the halves separate.
- Pop the old battery out with a toothpick or plastic pick, not a metal blade, and seat the new one with the + side matching the old one.
- Reassemble, refit the emergency key, and check that the car sees the fob when you press start.
Acura smart keys usually open the same way as Honda's: release the built-in key, then twist in the slot.
A CR2025 is 20 mm across and 2.5 mm thick. CR2032, CR2025 and CR2016 share the same width but not the same thickness, so a swap between them can leave a loose contact or a case that will not close.
Keep spare coin cells away from small children. A swallowed coin cell can burn the throat within hours; if it happens, go to an emergency room at once.