The 2017 Buick LaCrosse uses a standard 12-volt automotive battery. It does not require a high-voltage hybrid battery; it powers starting and the vehicle’s electronics.
For a precise replacement, check the original equipment battery label or the owner's manual to identify the correct Group Size and cold-cranking amps (CCA). The exact size can vary by trim and market, so verification is essential before purchasing a replacement.
Battery type and what it means for maintenance
The LaCrosse relies on a conventional 12V lead-acid battery to start the engine and run accessories when the engine isn’t running. Most replacement batteries are standard flooded lead-acid types, though some retailers offer AGM (absorbed glass mat) variants. If you have added electronics or drive in very cold conditions, you might opt for a higher-CCA battery within the manufacturer’s specifications.
Key facts to know
Before buying a replacement, verify the following from the battery label and/or owner's manual:
- Battery type: 12-volt automotive battery (non-hybrid).
- Group Size: the exact fitment for your LaCrosse model and trim.
- Cold Cranking Amps (CCA) rating: ensures reliable starting in your climate.
- Reserve Capacity (RC): helps sustain electrical load if the alternator is unable to keep up.
Conclusion: The battery is a standard 12-volt unit; ensure you match Group Size, CCA, and RC when replacing.
How to identify the correct Group Size for your LaCrosse
Use these steps to confirm the correct battery size for your car:
- Look at the current battery label in your engine bay for the Group Size code (for example, a label might indicate a specific group size).
- Consult the owner's manual or Buick’s official parts catalog for the recommended Group Size for your year/model and engine.
- Ask a professional at an auto parts store to read your vehicle data and confirm the correct replacement battery based on year, make, model, engine, and trim.
Conclusion: Verifying the Group Size, along with CCA and RC ratings, ensures a proper fit and reliable starting performance.
Summary
In short, the 2017 Buick LaCrosse uses a standard 12-volt automotive battery. The exact group size can vary by trim and market, so verify with the battery label or the owner's manual before purchasing. When in doubt, consult Buick’s official specs or a trusted parts retailer to ensure you buy a compatible battery with the appropriate CCA and RC ratings.