See also:

Other Warning Devices
If you carry reflective triangles, you can set them up at the side of the road about 300 feet (100 m) behind your vehicle. ...

Programming with a Recognized Transmitter (Keyless Access Vehicles Only)
A new transmitter can be programmed to the vehicle when there is one recognized transmitter. To program, the vehicle must be off and all of the transmitters, both currently recognized and new ...

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