Clip the remote control onto a sun visor in the vehicle instead of a metal ash tray or metal dash board that can.
Garage door remote signal weak.
Before installing the extension kit move any metallic objects that may obstruct the signal between the remote control.
Step 2 press the open button on your remote transmitter three times while inside of your garage and pointed at the motor.
Press the learn button on your garage door motor to reset the current codes and transmitters and wait for the red indicator light to begin blinking.
Stand within 20 feet of your garage door and attempt pressing the button if your remote is further away from the door the signal won t be strong enough to prompt the door.
If the bad opener suddenly has good range again then the other unit in your garage is causing rf interference.
On most of the newer garage door openers there is a little led light next to the learn button on the back of the opener.
If your remote works correctly check that the opener s antennae doesn t have any excess debris buildup is pointed toward the door and isn t broken.
It flashes because it s hearing the radio signal from your transmitter remote.
The button is near the antenna wire on the back of the system.