Standard 87 octane should be fine.
Not a problem
I found that you need to use OEM ATF which can be found at your Hyundai dealer for a little over $5 a quart.
what engine oil do i use for a 2001 hyandai elantra GL
Petrol
Sae 30
petrol by yash
As there is no "D" in the vehicle type number, this will be a petrol engine, so should run on unleaded petrol / gasoline.
The same amperage of the one you remove.
petrol and battery power
Castrol Synthetic oil, that's the oil i use for mine.
The Hyundai Elantra uses a lead type acid battery. Its battery life can last from three years to five years.
Leaded petrol