That's when the air flow passing through the radiator is least,
thus the fan runs.
reset it.
Fuse panel.
tranny problems
Above the brake pedal,its black plastic.
The HOLD light means you have an electrical problem with your transmission. See your mechanic ASAP.
It is run off of the same fuse as the engine computer.
it could have a bad speed sensor
Switch is defective or out of adjustment.
Have vehicle scanned at auto parts store--most will do this free
roughly 20 miles worth
You have a problem with the charging system. More than likely the alternator has failed.
To check the hold light blinking of a Mazda Protege, take off the plastic over the shifter tube or bar. Then take off the console below it and look at the wires that come up from the hollow center of the tube. The edge of the shifter tube may have cut through the wire insulation.