How do you clear codes 94 Cadillac?

To clear trouble codes on a 1994 Cadillac, you can use an OBD-I scanner compatible with the vehicle, connecting it to the diagnostic port under the dashboard. Alternatively, you can disconnect the vehicle's battery for about 10-15 minutes, which will reset the onboard computer and clear the codes. After reconnecting the battery, drive the vehicle for a short distance to ensure the system recalibrates. Always remember to diagnose and address the underlying issue that triggered the codes before clearing them.