The main reason for this is a sliping drivebelt, very common after you pressure wash the engine and the drivebelt gets wet; also Check the tension on the drivebelt. Another reason may be a defective expansion valve.
Low refrigerant charge?
Sounds like a bad switch or relay.
Toyota with automatic ac? The computer has detected a fault in the system. A qualified mechanic can read the codes
That's the OD warning light, Check wiring, relay, Solenoid, and switch
The same thing that causes you to blink constantly. Their eyes are dry and they are keeping them moist.
There is an electrical failure in the trans and will have to be checked out by a good trans shop. GoodluckJoe
I've heard that if you have an automatic light switch sut-off switch and are having problem with your headlights flashing like a police car, it was caused by the cars computer.
loose bulbs
Misfire detection.
there could be many causes. most likely the switch is going out if its dash mounted try removing is and use a jumper to bypass the switch if they dont blink you switch is bad. if its on the steering colum you may want to ask for a way to test that it
your eyes get dry mostly so it causes you to blink.
The flasher unit for the indicators. Pressing and releasing the foot brake for the brake lights. Turning the light switch on and of for the others. If it is not any of these then there is an electrical fault, possibly a loose connection.