Why is your overdrive light on your 1999 Toyota solara?

The overdrive light on your 1999 Toyota Solara may be illuminated for several reasons, most commonly indicating that the overdrive function is turned off. This could be due to driver intervention, such as pressing the overdrive button on the gear shifter. Alternatively, it could indicate a transmission issue, such as a malfunction or a failure in the transmission system. It's advisable to check the owner's manual for specific guidance and consider having a mechanic inspect the vehicle if the light remains on unexpectedly.