See also:

Tire Pressure Monitoring System (TPMS)
Low Tire Pressure Telltale TPMS Malfunction Indicator Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the ...

Suspension mounting bolts
Check the suspension connections for looseness or damage. Retighten to the specified torque. ...

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