--- title: "2016-2023 Toyota Tacoma Key Fob Battery" description: "The 2016-2023 Toyota Tacoma key fob takes a CR2032 (smart key); some base flip keys use CR2016. Check the old battery coin cell. How to open the fob without breaking it, and which substitutions actually work." url: "https://whichcarparts.com/cars/toyota/tacoma/2016-2023/key-fob-battery" updated: "2026-08-20" --- # 2016-2023 Toyota Tacoma Key Fob Battery Type and Replacement The 2016-2023 Toyota Tacoma key fob takes a CR2032 (smart key); some base flip keys use CR2016. Check the old battery coin cell. How to open the fob without breaking it, and which substitutions actually work. **Quick answer**: The 2016-2023 Toyota Tacoma key fob takes a CR2032 (smart key); some base flip keys use CR2016. Check the old battery coin-cell battery, available at any pharmacy, hardware store, or online for a few dollars. ## Replacing the 2016-2023 Toyota Tacoma key fob battery - Pry the fob open gently at the seam with a small flathead screwdriver or a coin, working around the edge. Many fobs have a hidden release slot near the key ring or emergency-key blade. - Note the battery orientation (usually positive side up) before removing the old cell. - Avoid touching the new battery's faces with bare fingers; skin oils can shorten its life. - If the fob doesn't work after replacement, check that the battery is seated fully and the contacts weren't bent. Most vehicles do not need re-pairing after a battery change. ## Which Toyota Tacoma model years does this cover? These key fob battery specifications apply to every Toyota Tacoma built from 2016 through 2023, the 3rd generation (N300), mid-size pickup (access, double cab; 2wd/4wd). Nothing in this specification changes between those model years. - [2016 Tacoma](https://whichcarparts.com/cars/toyota/tacoma/2016) - [2017 Tacoma](https://whichcarparts.com/cars/toyota/tacoma/2017) - [2018 Tacoma](https://whichcarparts.com/cars/toyota/tacoma/2018) - [2019 Tacoma](https://whichcarparts.com/cars/toyota/tacoma/2019) - [2020 Tacoma](https://whichcarparts.com/cars/toyota/tacoma/2020) - [2021 Tacoma](https://whichcarparts.com/cars/toyota/tacoma/2021) - [2022 Tacoma](https://whichcarparts.com/cars/toyota/tacoma/2022) - [2023 Tacoma](https://whichcarparts.com/cars/toyota/tacoma/2023) ## What changed during the 2016-2023 Toyota Tacoma | Years | What changed | | --- | --- | | 2016 | Generation launch: 2GR-FKS V6, 6-speed auto, first-year diff-leak and crank-sensor recalls | | 2017 | TRD Pro returns with Goodyear Kevlar 265/70R16s | | 2018 | Toyota Safety Sense-P (pre-collision warning/automatic braking, lane departure alert, automatic high beams) becomes standard across nearly every trim | | 2019 | Updated TRD Pro trim with more off-road-ready equipment | | 2020 | Facelift: grille, sealed LED headlights on upper trims, 8-in touchscreen with Android Auto/CarPlay, cluster-menu maintenance reset replaces the trip-knob procedure | | 2023 | Final year; the 2.7L I4 and this generation retire together | ## 2016-2023 Toyota Tacoma key fob battery: common questions ### What battery does the 2016-2023 Toyota Tacoma key fob take? A single CR2032 (smart key); some base flip keys use CR2016. Check the old battery coin cell. ### Can you use a CR2032 instead of a CR2025 in a 2016-2023 Toyota Tacoma key fob? This fob takes a CR2032 (smart key); some base flip keys use CR2016. Check the old battery, so start there. The two cells share a 20 mm diameter but differ in thickness, and the thicker one does not always seat in a housing built for the thinner. ### How do you open a 2016-2023 Toyota Tacoma key fob? Slide out the mechanical emergency key first, which usually releases a catch, then part the halves with a plastic pry tool or a coin wrapped in tape. A screwdriver will mark the case and can crack the seam. ## Sources - [Toyota technical data, Tacoma N300 fluids & capacities (toyota-club.net)](https://toyota-club.net/files/techdata/ttx/tacoma_300.htm) - [Toyota Genuine Spark Plug application chart 2022 (toyotapartsandservice.com)](https://www.toyotapartsandservice.com/wp-content/uploads/2022/11/09_SparkPlugs2022_hi.pdf) - [NHTSA recall 17V-285, rear differential oil leak](https://static.nhtsa.gov/odi/rcl/2017/RCRIT-17V285-0775.pdf) - [NHTSA recall 17V-356, crankshaft position sensor stall](https://static.nhtsa.gov/odi/rcl/2017/RCAK-17V356-7514.pdf) - [NHTSA recall 20V-682, Denso fuel pump expansion incl. Tacoma](https://static.nhtsa.gov/odi/rcl/2020/RMISC-20V682-4179.pdf) - [NHTSA TSB T-SB-0077-16, AC60E/F shift feeling enhancements](https://static.nhtsa.gov/odi/tsbs/2016/SB-10086596-5448.pdf) - [TirePressure.org, 2020 Tacoma placard pressures by trim](https://www.tirepressure.org/toyota/tacoma/2020) - [TacomaWorld, 2016 owner's manual oil capacity pages (2TR-FE 6.2 qt)](https://www.tacomaworld.com/threads/2016-2tr-fe-oil-qty-owners-manual-changes.409007/) - [fueleconomy.gov, 2020 Tacoma EPA ratings](https://www.fueleconomy.gov/feg/bymodel/2020_Toyota_Tacoma.shtml) ## Other Toyota Tacoma generations - [2024-2025 Toyota Tacoma key fob battery](https://whichcarparts.com/cars/toyota/tacoma/2024-2025/key-fob-battery) - [2012-2015 Toyota Tacoma key fob battery](https://whichcarparts.com/cars/toyota/tacoma/2012-2015/key-fob-battery) Or [compare all generations](https://whichcarparts.com/cars/toyota/tacoma/key-fob-battery). ## More for the 2016-2023 Toyota Tacoma - [Oil & filter](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/oil) - [Battery](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/battery) - [Tires & wheels](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/tires) - [Wiper blades](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/wipers) - [Air & cabin filters](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/filters) - [Bulbs](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/bulbs) - [Brakes](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/brakes) - [Fluids](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/fluids) - [Service schedule](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/service-schedule) - [Problems & reliability](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/common-problems) - [Oil light reset](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/oil-reset) - [Specs](https://whichcarparts.com/cars/toyota/tacoma/2016-2023/specs) Specifications vary with engine option, production date, and market.