See also:

Maintenance under Severe Usage Conditions
The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals. R : Replace I : Ins ...

To Check the Oil Level
Before checking the oil, warm up the engine to the normal operating temperature and be sure it is parked on level ground. Turn the engine off. Wait five minutes, then remove the dipstick, wipe it ...

What About Gasohol?
Gasohol (a mixture of 90% unleaded gasoline and 10% ethanol or grain alcohol) may be used in your Hyundai. However, if your engine develops driveability problems, the use of 100% unleaded gasoline ...