Coolant

The coolant should be changed at the intervals specified in the maintenance schedule.

    See also:

    Necessary inspections
    Fluid levels, such as engine oil, engine coolant, brake fluid, and washer fluid should be checked on a regular basis, with the exact interval depending on the fluid. Further details are provided i ...

    Lubrication chart
    ...

    Safety
    The Hyundai Sonata is one of only two cars on the market to have received both a Top Safety Pick designation from the Insurance Institute for Highway Safety and a five-star overall safety rating f ...