Cadillac · CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US · 2025

Cadillac CT5 CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US Smart-key battery

What key battery does a Cadillac CT5 CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US use?CR2450 lithium or equivalent battery; insert positive side toward the back cover

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At a glance

Vehicle
Cadillac CT5 CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US
Smart-key battery
CR2450 lithium or equivalent battery; insert positive side toward the back cover
Manufacturer source
General Motors
Verified

Own-model remote key battery replacement instruction; ATH Keyless Access is standard in this column.

Reference details

Check before you buy or service: CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US only. US MY2025 CT5 Sport equipment group 1SE, model 6DD79 (4-door sedan); standard LSY/MQ2 verified in own-model order-guide Mechanical column E and MY2025 VIN p.12 series DP. Excludes optional F46. No sibling trim, other configuration, optional-engine, body, drive, year or market inference.

Source

General Motors manufacturer referenceGeneral Motors
Open manufacturer source ↗

Last verified by CarFactBook:

Same question · different chassis

Does this answer change on another CT5?

Smart-key battery is published for these other exact codes. Compare the sourced answer and vehicle scope before using a value.

A matching number does not establish that equipment, trim, production date or regional specification is identical.

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The same question, different cars

Manufacturer documentation can give different answers for different engines, configurations and model codes. These are independently sourced entries for the same reference topic, not interchangeable parts or service instructions.

Cadillac CT5CT5-V V-Series RWD 6DE79 1SF LGY MHS MY2025 US2025
Smart-key batteryCR2450 lithium or equivalent battery; insert positive side toward the back coverCheck the exact variant and source limitationsGeneral Motors · verified 2026-11-07
Read the sourced answer ↗Vehicle profile →
Cadillac CT4CT4 Luxury RWD 1SB LSY MHA MY2025 US2025
Smart-key batteryCR2450 Lithium or equivalent batteryCheck the exact variant and source limitationsGeneral Motors LLC · verified 2026-11-06
Read the sourced answer ↗Vehicle profile →
Toyota AquaNHP102011–2021
Smart-key batteryCR1632 (electronic smart key)Check the exact variant and source limitationsToyota Motor Corporation · verified 2026-09-27
Read the sourced answer ↗Vehicle profile →
Toyota Corolla AxioNKE1652013–2025
Smart-key batteryCR1632 with Smart Entry & Start; CR2016 without itCheck the exact variant and source limitationsToyota Motor Corporation · verified 2026-09-28
Read the sourced answer ↗Vehicle profile →

Compare this answer across other cars

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What owners usually check next

Engine oil capacity5.3 US qt (5.0 L) with filter (GM TechLink MY2025 chart)12V battery12-volt Absorbed Glass Mat (AGM) battery; refer to the original battery label replacement numberTransmission fluidDEXRON ULV automatic transmission fluidCoolant capacity10.4 L (11.0 US qt), approximately, for the entire engine cooling system (2.0L L4)Fuel tank capacity66.0 L (17.5 US gal), approximatelyEngine codeLSY, GM engine RPO (GM TechLink MY2025 chart)Engine displacement2.0 L (GM TechLink MY2025 chart)Powertrain designationLSY 2.0L turbocharged I4; MQ2 ten-speed automatic; RWD (RWL)

View every owner answer for Cadillac CT5 CT5 Sport RWD 6DD79 1SE LSY MQ2 MY2025 US →