Mario Kart World does not look like a physically demanding game. You steer, hold the accelerator, drift through corners, use an item, and occasionally hit the brake. Compared with a shooter or action game, the controls appear simple.

The problem is repetition. During a race, your right thumb may stay pressed against the A button almost continuously. One race is fine. Several Grand Prix events, a long Knockout Tour session, or an evening exploring Free Roam can make that small amount of pressure surprisingly noticeable.

Before buying a new controller or changing the way you hold the console, there is one setting worth trying first: Auto Accelerate.

Why Mario Kart World Can Tire Your Right Thumb

The standard control layout asks the player to hold A to accelerate. The left thumb manages steering, while the right index finger or middle finger handles R or ZR for drifting. Brake, rear view, and other inputs add occasional movement around the right side of the controller.

None of these actions is difficult by itself. The tension comes from keeping the thumb in one fixed position while the rest of the hand is also supporting the console.

Many players press harder than necessary during competitive moments. A red shell appears, the track becomes crowded, or the kart approaches a difficult corner, and the grip tightens without the player noticing. The A button is still doing the same thing, but the whole right hand starts working harder.

This is why the discomfort often appears in the base of the thumb or palm rather than directly on the fingertip.

How to Turn On Mario Kart World Auto Accelerate

Nintendo includes Auto Accelerate as a normal control option in Mario Kart World. When enabled, the kart accelerates automatically without requiring the player to keep holding a button. 

You can enable it in two ways:

1. From the kart selection screen, press X to open Settings and Controller.
2. During Single Player, Multiplayer, or Free Roam, pause with Plus or Minus, then press X.
3. Find Auto Accelerate and switch it on.

The setting is stored separately for each player when several people are playing on the same console. Nintendo also places Smart Steering, Auto Use Item, Tilt Controls, camera options, and the minimap in the same menu.

You can therefore use Auto Accelerate without enabling Smart Steering. The game will handle forward acceleration, but you remain responsible for steering, drifting, braking, choosing routes, and using items.

What Auto Accelerate Changes

Auto Accelerate removes one repeated action. It does not play the race for you.

Your right thumb is no longer required to stay planted on A, so it can rest more naturally or remain ready for another input. This is especially useful in handheld mode, where the same hand is pressing buttons and helping support the weight of the console.

The setting may also help players who unintentionally squeeze the controller while racing. Once constant A button pressure disappears, it becomes easier to notice whether the remaining discomfort comes from the game controls or from the way the console rests in your hands.

Auto Accelerate is not perfect for every situation. Some players prefer direct control over acceleration, especially when braking, reversing, or making small movements during Free Roam. Try several races before deciding. The goal is not to use every assistance option. It is to remove an input that adds effort without adding much enjoyment for you.

Drifting Still Requires Good Shoulder Button Control

Turning on Auto Accelerate does not reduce the importance of R and ZR.

To drift, you steer with the left stick while holding R or ZR. Holding the drift builds stronger Mini Turbo levels. Mario Kart World also uses the same shoulder input for Charge Jump. Hold R or ZR while driving straight, and the kart begins charging a jump that can help reach rails, walls, shortcuts, and collectibles. 

This means the main physical demand moves away from the right thumb and toward the shoulder buttons. During a technical race, the player repeatedly moves between normal steering, drifting, releasing the boost, and charging another jump.

A comfortable shoulder position matters here. When the controller is too flat, some players rotate their wrists inward or stretch their fingers toward the triggers. That posture may feel acceptable for one race but become less comfortable across a longer session.

Try keeping your index fingers lightly placed on R and L, with your middle fingers supporting the back of the controller. Avoid lifting the entire right hand whenever you start a drift. The movement should come mainly from the finger, not from tightening the palm.

Change One Setting Before Changing Everything

It is easy to overcomplicate a controller setup. Players turn on every assist, remap several buttons, adjust vibration, and change their grip at the same time. They then have no idea which change actually helped.

Start with Auto Accelerate. Play three or four races using your normal controller and normal seating position.

Pay attention to three areas:

1. The base of your right thumb
2. The fingers resting on R and ZR
3. The outside of your palms where they support the console

When thumb tension improves but palm or shoulder finger tension remains, the issue is probably no longer the A button. It is the handheld shape.

Switch 2 improved several parts of the original handheld design, but reviews have still noted that its larger body and flat controller shape may remain less comfortable during prolonged handheld play. 

That does not mean every player needs another controller. Hand size, seating position, session length, and the games you play all matter. Auto Accelerate may be enough for short races. Players spending more time in Grand Prix, Knockout Tour, or Free Roam may care more about palm support.

Where abxylute N6 Fits This Problem

The abxylute N6 is not a replacement for choosing sensible game settings. Auto Accelerate should still be the first thing to try when constant A button pressure is the main problem.

N6 becomes relevant when the remaining issue is how Switch 2 sits in your hands. Its deck style design adds shaped grips beneath the console, giving the palms a larger area to hold. The goal is a more stable handheld position with less need to pinch the sides of the device.

For Mario Kart World, the most relevant details are the grip shape, larger Hall Effect sticks, tactile shoulder buttons, and adjustable vibration. These features do not drive the kart for you, but they can make repeated steering and shoulder inputs feel more like using a full size controller.

N6 also includes GL and GR back buttons, but there is no need to start remapping controls immediately. Connect the controller, turn on Auto Accelerate, and play with the standard layout first. The full setup process is covered in How to use abxylute N6.

Players who prefer a more personality driven controller with a Cube inspired layout can also compare N6 vs N9C. Both belong to the wider Nintendo Switch controllers range, but N6 is the more direct comfort focused option for conventional handheld racing controls.

Mario Kart World is designed to be approachable, but approachable does not mean your hands should stay locked in one position for an entire evening. A small setting change can remove the most repetitive input without changing the parts of racing that require timing and control.

Turn on Auto Accelerate first. Relax the right thumb, keep a light touch on the shoulder buttons, and see what still feels uncomfortable after a few races. When the remaining problem is the way Switch 2 rests in your palms, that is when a more supportive deck style controller starts to make sense.