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Honda & Acura key fob battery
Honda smart keys and most remote fobs use a CR2032; some older remote head keys use a CR1616. Current Acura smart keys use a CR2032; some older remote keys use a CR1616.
| Battery | Used in | Size | Capacity |
|---|---|---|---|
| CR2032 | Honda (most common); Acura (most common) | 20 mm × 3.2 mm | ≈ 225 mAh |
| CR1616 | Honda (older models); Acura (older models) | 16 mm × 1.6 mm | ≈ 55 mAh |
Honda key fobs
Honda smart keys and most remote fobs use a CR2032; some older remote head keys use a CR1616.
Dead fob? Touch the start button with the H-logo side of the fob, then press it with your foot on the brake.
Acura key fobs
Current Acura smart keys use a CR2032; some older remote keys use a CR1616.
Dead fob? Touch the start button with the Acura logo side of the fob, then press it with your foot on the brake.
To change it: release and pull out the metal key, twist its tip in the seam to split the case, and fit the new cell the same way up. Step-by-step guide.
Also mainly CR2032: Chevrolet, GMC, Nissan, Infiniti.
Key types change between model years; the code on your old battery is final.