How do you fix speedometer on 96 buic skylark?

To fix the speedometer on a 1996 Buick Skylark, first, check the vehicle's speed sensor located on the transmission. If the sensor is malfunctioning, replace it. Additionally, inspect the wiring and connections for any damage or corrosion. If these components are in good condition, the issue may lie within the speedometer itself or the instrument cluster, which may require further diagnosis or replacement.