What Battery For

Key fob and remote batteries

The battery in a car key fob by brand, and in garage door and gate remotes.

Key fob batteryThe coin battery in a key fob for 18 car brands, from the car makers’ owner’s manuals. Garage door remote batteryThe battery in the LiftMaster, Chamberlain and Genie garage door remotes and wireless keypads their makers list. Toyota key fob batteryThe battery in a Toyota key by model, year and smart key, from Toyota's owner's manuals, with Toyota's steps. Honda key fob batteryThe battery in a Honda remote by model, from Honda Canada's owner's manuals, with Honda's steps and the weak battery start. Ford key fob batteryThe battery in a Ford remote by model and key, from Ford's owner's manuals for the 2025 F-150, the Escape and the electric Explorer. Chevy, GMC, Buick and Cadillac key fob batteryThe battery in Chevrolet, GMC, Buick and Cadillac keys by model, and which side faces up, from GM's owner's manuals. Nissan key fob batteryThe battery in a Nissan Intelligent Key, from Nissan's owner's manuals, with Nissan's steps and how to start with a dead key. Hyundai key fob batteryThe battery in a Hyundai remote key or smart key by model and year, from Hyundai's owner's manuals, with Hyundai's steps. Kia key fob batteryThe battery in a Kia key by model and year, from Kia's owner's manuals, with Kia's steps and how to start with a weak key. Subaru key fob batteryThe battery in a Subaru access key fob, key with remote buttons or remote engine start, from Subaru's owner's manuals. Jeep, Ram, Dodge and Chrysler key fob batteryThe battery in Jeep, Ram, Dodge and Chrysler key fobs by model, from their owner's manuals, with the steps and the low battery start. Mercedes key fob batteryThe battery in a Mercedes-Benz C-Class Saloon key, from its UK owner's manual, with Mercedes-Benz's steps and the emergency start. Mazda key fob batteryThe battery in a Mazda key by model, from Mazda's owner's manuals, with Mazda's steps and how to start with a dead key. Tesla key fob batteryThe battery in a Tesla key fob, from Tesla's Model 3 and Model Y owner's manuals for North America, with Tesla's steps and what to do with a dead key. How to change a key fob batteryThe steps car makers' own manuals share for changing a key fob battery, their warnings, and how to start a car when the key's battery is dead.

The battery at a glance

Key fob and garage remote batteries, from each maker
RemoteBattery
Toyota key fobCR2032, CR2016 or CR2450, by model and key
Honda key fobCR2032; CR1620 in 2016 CR-V and 2018 Civic keys (Honda Canada)
Ford key fobCR2032; CR2450 in the 2025 F-150 push button start key
Nissan key fobCR2032 in every manual read, 2016 to 2024
Hyundai key fobCR2032 remote key; CR2032 or CR2450 smart key
Kia key fobCR2032 or CR2450, by model and year
Subaru key fobCR2032 access key fob; CR1620, CR2025 or CR2016 in keys
Mazda key fobCR2032; CR2025 in the 2018 Mazda6 and some MX-5 keys
Chevrolet, GMC, Buick, CadillacCR2032; CR2450 in the 2022 Cadillac CT5
Jeep, Ram, Dodge, ChryslerOne CR2032; CR2450 in the 2021 Jeep Wrangler
Mercedes-Benz key, Tesla key fobCR2032 (C-Class Saloon, UK edition; Tesla Model 3 and Model Y)
LiftMaster, Chamberlain and GenieCR2032 remotes (A23 12V in the Genie GITR-3BX); 9V keypads

From the models in each maker’s manuals and pages; other models may differ. The code is also printed on the old battery.

Where we get our information from

The batteries come from the car makers’ own owner’s manuals and the remote makers’ product pages. Checked against published data from Ford, Toyota, Nissan, Hyundai and Kia (plus 14 more).

See all 32 sources
  • Toyota owner's manuals: 2024 Camry (OM06291U), 2024 RAV4 (OM42F42U), 2024 Corolla (OM02684U), 2024 Tundra (OM0C056U), 2023 Tacoma (OM04047U), 2019 Corolla (OM02535U), 2017 Camry (OM33C64U)
  • Nissan owner's manuals: 2023 Altima and 2023 Rogue (PDF)
  • Hyundai, 2025 Tucson owner's manual (online), Remote key and Smart key
  • Kia owner's manuals: EV6 (Kia India, Replacing the key battery) and the 2026 Carnival (KA4) US manual (Battery replacement)
  • Subaru owner's manuals: Legacy and Outback (MSA5M2403A, 2023) and BRZ (MSA5M1706B), PDF
  • Mazda owner's manuals: 2023 CX-5 and 2020 MX-5, Key Battery Replacement
  • Chevrolet owner's manuals: 2022 Malibu and 2026 Trax (PDF)
  • Jeep owner's manuals: 2023 Cherokee and 2026 Compass (PDF)
  • Ram, 2022 2500/3500 owner's manual, Replacing The Battery In The Key Fob
  • Dodge, 2025 Durango owner's manual (PDF)
  • Chrysler, 2026 Pacifica owner's manual (PDF)
  • LiftMaster product pages: L991S, L993M, L993S, L992U and L932M remotes, L979M and L979U keypads
  • Chamberlain product pages: KLIK5U-BK2 universal remote and KLIK2U-P2 universal wireless keypad
  • Genie product pages and instructions: G1T-BX, G3T and G3BT-R remotes
  • Genie, 9-Volt Battery and 12V Alkaline Battery (A23) replacement parts
  • GMC, Buick and Cadillac owner's manuals: 2022 GMC Acadia and Terrain, 2021 GMC Sierra 1500, 2021 Buick Enclave, 2022 Cadillac XT5, 2021 Cadillac Escalade (PDF)
  • Toyota owner's manuals: 2025 RAV4 (OM0R063U), 2025 Corolla (OM02688U), 2024 Highlander (OM0E194U), 2023 4Runner (OM35B73U), 2023 Prius (OM47E41U), 2018 RAV4 (OM0R012U), 2016 Highlander (OM48F09U), 2015 Camry (OM33A86U), 2015 Tacoma (OM04009U), 2014 Corolla (OM12F00U), PDF
  • Nissan owner's manuals: 2024 Sentra, 2023 Pathfinder, 2023 Frontier, 2023 Kicks, 2020 Titan, 2016 Altima (PDF)
  • Chevrolet owner's manuals: 2022 Equinox, Traverse and Bolt EV, 2021 Silverado 1500, Colorado and Trax, 2020 Camaro and Spark (PDF)
  • GMC, Buick and Cadillac owner's manuals: 2021 GMC Canyon, 2020 Buick Envision, 2022 Cadillac CT5 and XT4, 2020 Cadillac CT6 (PDF)
  • Jeep, 2021 Wrangler owner's manual (PDF)
  • Hyundai owner's manuals (ownersmanual.hyundai.com): 2019 Santa Fe and Kona, 2021 Elantra and Sonata, 2022 Tucson, 2023 and 2025 Palisade, 2024 Sonata and Santa Fe, 2025 Tucson, 2026 Kona and IONIQ 9, 2027 Palisade
  • Kia owner's manuals (ownersmanual.kia.com): 2021 and 2024 Sorento, 2022 and 2025 K5, 2023 Soul, 2024 Seltos, 2025 Sportage, 2026 Carnival
  • Subaru owner's manuals: Outback and Legacy (MSA5M1803B, MSA5M2203A) and Forester (MSA5M2202A), PDF
  • Mazda owner's manuals: 2018 Mazda6, 2021 CX-9, 2022 MX-30, 2023 CX-30, 2024 CX-50 and CX-5
  • Honda Canada owner's manuals: 2016 CR-V, 2018 Civic, 2020 Odyssey, 2021 Ridgeline, 2022 Civic, 2023 CR-V and Pilot, 2024 HR-V, 2025 Civic (PDF)
  • Ford, F-150 owner's manual, Canada, Mexico and United States edition (edition date 202407), PDF
  • Ford, Escape owner's manual, New Zealand edition (CG3994en, vehicles built from 02-09-2025), PDF
  • Ford, electric Explorer owner's manual, UK edition (CG3968en, edition date 202408), PDF
  • Mercedes-Benz, C-Class Saloon Owner's Manual, UK edition (F206 0170 02), PDF
  • Tesla, Model 3 (2024+) Owner's Manual, North America, software version 2026.32
  • Tesla, Model Y (2025+) Owner's Manual, North America, software version 2026.32

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