Kia 2004.5 Spectra Service Technical Training page 122

2004.5 Spectra Technology
The Spectra fuel system is designed for the driver to
use only unleaded fuel with a minimum Octane Rating
of 87 Anti-Knock Index (AKI). The Spectra engine and
emission system can accept fuel with maximum of
10% ethanol (grain alcohol) and no methanol (wood
alcohol). Using unapproved fuel type, the driver may
notice drivability problems that may cause damage.
Driveability
4