What is the hold button for on the shift lever of a 1992 Mazda mx3?

The hold button on the shift lever of a 1992 Mazda MX-3 is designed to modify the automatic transmission's shifting behavior. When activated, it prevents the transmission from shifting to a higher gear, allowing for higher RPMs and increased power, which can be useful for situations like driving uphill or during overtaking. This feature enhances performance by providing better control over the engine's power band.