Do Not Use Methanol
Fuels containing methanol (wood alcohol) should not be used in your Hyundai. This type of fuel can reduce vehicle performance and damage components of the fuel system.
CAUTION:
Your Hyundai's New Vehicle Limited Warranty may not cover damage to the fuel system and any performance problems that are caused by the use of fuels containing methanol.
See also:
Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 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. ...
SIX-SPEED AUTOMATIC AND MANUAL TRANSMISSIONS
Hyundai's commitment to making the Hyundai Tucson extremely fuel efficient
continues with a six-speed automatic transmission with SHIFTRONIC® manual
control or a standard six-speed manual transaxl ...
Front Brake Disc/Pads, Calipers
Check the pads for excessive wear, discs for run out and wear, and calipers for
fluid leakage. ...