How do I get rid of joy con buttons?

Remove the four screws located on the back casing with a Y00 screwdriver.
Insert a plastic opening tool or pick into the side of the Joy-Con without the rail and gently pry downwards to release the back plate.

How do you fix buttons on Nintendo switch joy con?

What to do

Check if the non-responsive buttons feel sticky or stuck down.
If any are sticky or stuck, power off the console and clean the area around the problematic buttons using a soft, dry toothbrush. Avoid using any cleaners or fluids.
Ensure your console has the latest system update.

How do I change buttons on switch joy con?

What to do

From the HOME Menu, select System Settings and then Controllers and Sensors.
Select Change Button Mapping.
On the left side of the screen select a controller, then select Change.
Select a button from the list shown on the screen, then choose a new function for that button.

How do I map back buttons on a switch?

How to remap your Nintendo Switch buttons

On your Switch or Switch Lite’s Home menu, tap the Settings cog to enter the Settings menu.
Go down to Controllers and Sensors and tap into the sub-menu.
Tap on Change Button Mapping, then choose the controller you want to re-map and tap Change.

Mario Kart 8 Deluxe Basic Controls

Control	Dual Joy-Con / Pro Controller	Handheld Controls
Perform a Trick	R / ZR (at the top of a ramp or ledge)	R / ZR (at the top of a ramp or ledge)
Drift	R / ZR (hold while steering)	R / ZR (hold while steering)
Use Item	L / ZL	L / ZL
Pause	+	+

Step 6

Flip your Nintendo Switch remote over and locate the 4 screws.
Use your Y00 tri-point screwdriver to unscrew the back.
Lift the hard plastic cover to expose the inside of the remote.
Locate the ZL (or ZR) button.
Use the tweezers to carefully lift and then push the ZL (or ZR) button up to put it back into place.

How do I activate Gooigi switch?

There you go. Gooigi and Luigi are now both ready to play….How to switch from 1-player to 2-player co-op