Where is the battery on a Cadillac ATS?

On most Cadillac ATS models, the battery is in the engine bay. Some European-influenced designs and certain model years place it in the trunk or under the rear seat for better weight distribution. Check your specific year below.

What size battery does a Cadillac ATS need?

The Cadillac ATS battery group size varies by engine and model year — check your owner's manual or the label on your current battery. CCA requirements range from 500-700. Vehicles with start-stop systems require an AGM battery.

How long does a Cadillac ATS battery last?

A Cadillac ATS battery typically lasts 3-5 years. In hot climates like Texas and the Southwest, expect closer to 3 years. AGM batteries in start-stop equipped models may last 4-6 years.

Can I replace the Cadillac ATS battery myself?

Yes, battery replacement is a straightforward DIY job on most Cadillac ATS models. You'll need a 10mm wrench for the terminals and possibly a 12mm or 13mm for the hold-down bracket. Some newer models may need a battery registration scan with an OBD2 tool.

🔋Battery Location

Cadillac ATS Battery Location

Find where the battery is located on your Cadillac ATS. Covers all model years with jump start points and replacement tips.

Quick Answer

The Cadillac ATS battery is located in the engine bay on most models. Some years may have the battery in the trunk or under the rear seat — see the year-by-year breakdown below.

2014-2019

Battery LocationEngine bay (right side) — some variants in trunk

Battery Group SizeVaries by vehicle — check owner's manual or battery label for correct group size

CCA (Cold Cranking Amps)500 - 700 CCA recommended

Battery TypeAGM recommended for start-stop systems

Notes

→Vehicles with auto start-stop REQUIRE an AGM battery — standard flooded batteries will fail prematurely
→Disconnect the negative terminal first when removing, reconnect it last when installing
→Some models may require a battery registration/reset procedure after replacement
→Clean battery terminals with a wire brush and apply dielectric grease to prevent corrosion

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2013-2013

Battery LocationEngine bay

Battery Group SizeVaries by vehicle — check owner's manual or battery label for correct group size

CCA (Cold Cranking Amps)500 - 700 CCA recommended

Battery TypeStandard flooded or AGM

Notes

→Disconnect the negative terminal first when removing, reconnect it last when installing
→Clean battery terminals with a wire brush and apply dielectric grease to prevent corrosion

Shop on Amazon →Full Repair Guide →

Frequently Asked Questions

Where is the battery on a Cadillac ATS?: On most Cadillac ATS models, the battery is in the engine bay. Some European-influenced designs and certain model years place it in the trunk or under the rear seat for better weight distribution. Check your specific year below.
What size battery does a Cadillac ATS need?: The Cadillac ATS battery group size varies by engine and model year — check your owner's manual or the label on your current battery. CCA requirements range from 500-700. Vehicles with start-stop systems require an AGM battery.
How long does a Cadillac ATS battery last?: A Cadillac ATS battery typically lasts 3-5 years. In hot climates like Texas and the Southwest, expect closer to 3 years. AGM batteries in start-stop equipped models may last 4-6 years.
Can I replace the Cadillac ATS battery myself?: Yes, battery replacement is a straightforward DIY job on most Cadillac ATS models. You'll need a 10mm wrench for the terminals and possibly a 12mm or 13mm for the hold-down bracket. Some newer models may need a battery registration scan with an OBD2 tool.

Cadillac ATS Repair Guides

→Cadillac ATS Battery Replacement →Cadillac ATS Alternator Replacement →Cadillac ATS Starter Replacement

Browse all Cadillac guides →Browse all Cadillac ATS guides →

More Cadillac ATS Guides

Browse all Battery Location pages →

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