It is important to know what it means when a warning light comes on. If the ABS light comes on, it means that there is a problem with the brake system within the car.
Antilock brake system
The Charging system includes the alternator, either an internal or external voltage regulator, a charge indicator, the battery, a fusible link, and the wiring between all of the components.
A flashing air bag light on the 1992 Ford Crown Victoria means that the airbag system has been disabled. This could be because it is damaged or because the key for the system is turned to "off."
Do you mean a ford aerostar?
My book shows it to mean: Evaporative purge flow sensor fault.
What does it mean when the airbag light and battery light on 1999 Ford Escort flashes?
Problem with Four Wheel Drive--may not function properly when needed
its your service light
It could be the temperature sensor you would have to see what code is tripping.
light guard trim
The exclamation light, on your Ford focus, is a reference to the oil needs to be changed. The light can be reset by changing the oil.
Not sure what you mean by "immediately". You do know that overdrive doesn't kick in until 50 mph (80 kmh)?