I found that you need to use OEM ATF which can be found at your Hyundai dealer for a little over $5 a quart.
The 2001 Hyundai Elantra has a 5-speed manual.
Automatic:Genuine Diamond automatic transmission fluid SP-11M Manual:SAE 75W/90 gear oil
The 2001 Hyundai Elantra has 16 valves.
INSIDE THE TRANSMISSION PAN. GOOD LUCK, JAMISON.
The 2001 Hyundai Elantra's came with the 2.0L engine
The 2001 Hyundai Elantra has an inline 4 engine.
The 2001 Hyundai Elantra is a gas-powered vehicle.
The 2001 Hyundai Elantra runs on regular unleaded.
The 2001 Hyundai Elantra's turning circle is 37.5 ft..
The 2001 Hyundai Elantra is 14 ft. 9.1 in. (177.1 in.) long.
The 2001 Hyundai Elantra has double overhead cam (DOHC).
The height of the 2001 Hyundai Elantra is 4 ft. 8.1 in. (56.1 in.).