They are a garage door opener.
They are most likely garage door openers ( Home link )
read your manual.
Those can be programmed to operate certain garage door openers.
It will bolt up, but I do not think you will have the power electrical connector.
The three buttons on a sun visor typically serve different functions: one button is often used for adjusting the visor's angle to block sunlight more effectively, another may control the built-in mirror light for better visibility when using the mirror, and the third button might be linked to features such as Bluetooth or a garage door opener, depending on the vehicle's configuration. These buttons enhance convenience and safety while driving.
the buttons could be for the built in garage door opener... im not familer with that model but they were used at that time
Turn off engine. 1) erase the factory test codes by pressing the 2 outside buttons until the light begins to flash (about 20 sec.) 2) Choose one of the buttons to train. You can train up to 3 different devices. Place the handheld controller within 1 inch or the universal transmitter on visor and push the buttons of both transmitters. The red light on the visor will begin to flash slowly. 3) When the light starts flashing rapidly ( this may take as long as a minute). Release both buttons. It now should be trained.
The garage door opener is attached to the sun visor above the driver. Three buttons in a row, first button on the left. It needs to be programed with the remote from your garage.
To remove the visor from an HJC SY-Max helmet, first, locate the visor release mechanism on each side of the helmet. Press the release buttons or levers to disengage the visor from the helmet. Once both sides are released, gently lift the visor off the hinges. If necessary, consult the helmet's user manual for specific instructions related to your model.
Remove the sun visor retaining screws. The sun visor will slide off of the sun visor rod. Lubricate the sun visor rod. Put the sun visor back on.
visit www.homelink.com for detailed instructions on how to program them. They are to open your garage or turn on other radio controlled remote devices.