Mario Andretti Racing

Super passwords:

Indy circuit car
Enter 2VP8 ZLFE WKDN CSXH TDAB as a password.

Sprint circuit car
Enter EUJQ QFUW SDBY AMAF 3MAA as a password.

Stock car
Enter KVUE WLD2 WQC6 BAVH TJAA as a password.

Hint: More speed:
Note: This trick requires a six-button controller.
Press Mode to increase your speed.
Although this may not be apparent, check the MPH display.