See also:

Troubleshooting
...

Fixed code programming
Note: It may be helpful to have another person assist you in programming the transmitter. To program units with fixed code DIP switches, you will need the garage door hand-held transmitter, ...

Choosing the right fuel
Use only UNLEADED fuel or UNLEADED fuel blended with a maximum of 10% ethanol. Do not use fuel ethanol (E85), diesel, methanol, leaded fuel or any other fuel. The use of leaded fuel is prohibited ...