Frequently Asked Questions

Why is a battery important for a 2018 Hyundai Sonata Hybrid?

• Power and start reliability: the battery powers electronics and ensures the vehicle starts consistently, especially in hybrid systems where the 12V battery supports auxiliary systems.
• Efficiency and hybrid readiness: a healthy battery helps the hybrid system manage energy smoothly for city and highway economy, preserving MPG performance.
• Dealer advantage: Stevinson Hyundai in CO often costs less than independent shops while providing factory-grade diagnostics, OEM parts, and certified technicians—delivering both immediate savings and long-term value.
• Warranty note: any repairs covered under warranty must be performed at a certified dealership to keep protections intact.

How long does a battery replacement take?

• Typical 12V battery replacement for a 2018 Hyundai Sonata Hybrid takes about 30–60 minutes, depending on diagnostics and system checks.
• If additional testing or hybrid system checks are needed, time may extend; our certified technicians use factory tools to verify charging and electrical systems.
• We offer transparent estimates and quick turnaround so you get back on the road with minimal delay and maximum confidence.
• Book your appointment with us to expedite service: schedule service.

How much does a battery cost for a 2018 Hyundai Sonata Hybrid?

• Costs vary by battery type and capacity; Stevinson Hyundai in CO provides competitive pricing that often undercuts independent shops while including OEM quality and warranty coverage.
• We highlight immediate savings in accurate installation and long-term savings from fewer repeat repairs and better warranty protection.
• Ask our service team about current service specials, available discounts, and service financing to get the work done now and pay over time.
• All warranty repairs must be completed at a certified dealership to preserve coverage—our technicians are factory-trained and ready to help.

How often should you replace the battery?

• 12V batteries typically last 3–5 years, but driving patterns and Colorado weather can shorten life; hybrids also rely on battery health for optimal function.
• We recommend regular testing during routine maintenance to catch decline early and avoid unexpected failures.
• Keeping to recommended service intervals at Stevinson Hyundai protects vehicle longevity and ensures any warranty work is properly documented.
• To check battery health, schedule appointment with our service center.

What type and size of battery is in the 2018 Hyundai Sonata Hybrid?

• The 2018 Hyundai Sonata Hybrid uses a specific 12V auxiliary battery sized for hybrid models and, separately, a traction battery unique to the hybrid powertrain; exact size and specifications vary by production configuration.
• Stevinson Hyundai uses OEM-equivalent batteries and exact fitments to maintain vehicle performance and safety.
• For accurate identification and pricing—plus any available service specials—bring your vehicle in or contact our service team.
• Remember: certified installation keeps warranty protections intact, and our team can help with financing options if needed.