1 The second rectangle has a length of 16 centimeter (6.3 in) and a width of 8 centimeter (3.1 in). 2  Find the linear scale factor between the two shapes. 3  The length of the smaller rectangle corresponds to the length of the larger rectangle. 4  The length of the smaller rectangle equals 4 centimeter (1.6 in).
Reset the Keypad. The Smart or Learn button on the motorized unit attached to the garage ceiling resets the keypad and the control unit that operate the garage door opener's motor. You'll need to enter a new code into the keypad to make it operational again and reprogram the control unit.o verify that the reset took, enter the old PIN code into the keypad to see if it opens the garage door. If it does, the reset didn't take. Repeat the step to reset the keypad and verify the old code doesn't work before proceeding.
Instructions. Take your key fob out to your car. Press the alarm button. If the car horn fails to engage, your key fob is not sending the proper signal. The fob must send a signal that is strong enough for the car to respond.Change the battery. All key fobs require a standard watch battery.nstructions for resetting your fob will be included in the cars owner manual. Use the car's programming mode to reset your fob. Visit a dealership or an automotive locksmith if your key fob still does not respond, especially if it is under warranty.