See also:

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

Pre-Tensioner Seat Belt
Your Hyundai vehicle is equipped with driver's and front passenger's pretensioner seat belts. The purpose of the pre-tensioner is to make sure that the seat belts fit tightly against the o ...

Check Spark Plugs and Ignition System
Inspect your spark plugs and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...