


Regarding this, are you supposed to drive with the overdrive on or off? And the higher the gear, the fewer times the engine turns for the same amount of distance traveled, so the longer the engine lasts. The more time you spend in your highest gear ( overdrive), the better your gas mileage. Subsequently, question is, can overdrive mess up transmission? Ray: There's really no good reason to limit the transmission to third gear. It means that something is wrong with your car's transmission – perhaps the range or speed sensors, or the solenoid. If your overdrive light is flashing or blinking, you are not going to be able to correct the issue by pushing a button. The light could be indicating a problem that could destroy the transmission.Īlso asked, why is the overdrive light flashing?Īll it means is that the overdrive in your car is off. Get the codes read to determine the cause. It's similar to the "check engine" light. It indicates a problem with the transmission.
