See also:

Engine Coolant Heater
Your vehicle may have an engine coolant heater. In very cold weather, 0°F (−18°C) or colder, the engine coolant heater can help. You will get easier starting and better fuel economy durin ...

Security Light
This light will come on briefly when you turn the key toward START. The light will stay on until the engine starts. If the light flashes, the Passlock® system has entered a tamper mode. If t ...

Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control system to ...