See also:

Recommended Engine Coolant
When adding coolant, use only deionized water or soft water for your vehicle and never mix hard water in the coolant filled at the factory. An improper coolant mixture can result in serious malfun ...

Performance
The Sonata Hybrid has a 166-horsepower, 2.4-liter four-cylinder engine and a 30-kilowatt electric motor that produce a combined 206 hp. This is a common setup for a hybrid, though the Sonata Hybri ...

Gasolines for Cleaner Air
To help contribute to cleaner air, Hyundai recommends you use gasolines treated with detergent additives, which help prevent deposit formation in the engine. These gasolines will help the engine r ...