Sonata 2011 Owners Manual

See also:

Fuel requirements
Your new vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher. Your new vehicle is designed to obtain maximum performance ...

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 ...

Truckish performance
Interior noise aside, the Santa Fe performed well on the road. The ride is feels more truckish than carlike. The bumps are hard, and on the highway, I never felt confident in this vehicle. The pow ...