If one code doesn't work, try the other code.

AAEIPPPA /AASIUAPA      Infinite continues
AEXEPPZA / AAUAGZZA     No continues
IEXEPPZA / IAUAGZZA     5 continues
AEXEPPZE / AAUAGZZE     8 continues
GEUGAPPA / GAOGOAPA     Max turbo on first pick-up
GEKKGPPA / GAXKSAPA     Max tires on first pick-up
GAVGIPPA / GEKGTYPA     Max speed on first pick-up
ZEUGAPPA / ZAOGOAPA     Double turbo on first pick-up
ZEKKGPPA / ZAXKSAPA     Double tires on first pick-up
ZAVGIPPA / ZEKGTYPA     Double speed on first pick-up
SXVLGZAK / SZKLOPAK     Computer cars go crazy!