Other information:
Check
NOTE:
Prior to checking driveline angularity, inspect the U-joints for correct operation.
NOTE:
An incorrect driveline angle can cause a vibration or shudder.
NOTE:
Driveline angularity is the angular relationship between the
engine crankshaft, the driveshaft and the rear axle pinion...
Clearing the Garage Door Opener
Press and hold the outer two function
buttons simultaneously for approximately
10 seconds until the indicator light above
the buttons flashes rapidly.
When the indicator light flashes, release
the buttons.
Note: You cannot erase individual buttons...