---
id: faq-0069
title: "How do I maintain my vehicle's battery?"
category: faq
subtopic: service-and-maintenance
page_type: faq
source_url: "https://www.castlehyundaioaklawn.com"
tags: ["maintenance", "battery", "electrical"]
questions:
  - "How long do car batteries last?"
  - "When should I replace my car battery?"
  - "What's the best way to care for my battery?"
related: [battery-replacement, electrical-service, winter-prep]
dealer: Castle Hyundai Oak Lawn
---

Most car batteries last three to five years. You can extend battery life by keeping corrosion off the terminals, ensuring clean connections, and avoiding short trips that don't fully recharge the battery. Watch for slow cranking, dimming lights, or difficulty starting-these signal it's time for a replacement. Cold weather is tough on batteries too. Castle Hyundai Oak Lawn's Service Department can test your battery's health and replace it if needed with a quality battery backed by a warranty. We use genuine parts and professional installation. If you're unsure about your battery's age or condition, call (708) 422-9300 for a free battery check.