How would i make R15 arms connect to the steering wheel when sat down?

Im really close? It looks bad though as i want it to weld to the body too ;///

--[[Dependencies]]

    local player = game.Players.LocalPlayer

    local mouse = player:GetMouse()                                                 ---IGNORE
    local UserInputService = game:GetService("UserInputService") ---IGNORE
    local car = script.Parent.Car.Value                                               ---IGNORE
    local _Tune = require(car["GoKartChassisTune"])                       ---IGNORE

    local character = player.Character
    local LeftArm = character:FindFirstChild("LeftUpperArm")
    local RightArm = character:FindFirstChild("RightUpperArm")

--[[Shutdown]]

    car.DriveSeat.ChildRemoved:connect(function(child)
        if child.Name=="SeatWeld" and child:IsA("Weld") then
            script.Parent:Destroy()
            character["LeftUpperArm"].Transparency = 0
        character["RightUpperArm"].Transparency = 0

        local Weld = car.Misc.Wheel.A:FindFirstChild("NewWeld")
        local Weld2 = car.Misc.Wheel.A:FindFirstChild("NewWeld2")

        if Weld ~= nil then
            Weld:Destroy()
        end
        if Weld2~= nil then
            Weld2:Destroy()
        end 
        end
    end)
    car.DriveSeat.ChildAdded:connect(function(child)
        character["LeftHand"].Transparency = 0
        character["RightHand"].Transparency = 0
                local W = Instance.new("Weld")
                W.Part0 = RightArm
                W.Part1 = car.Misc.Wheel.A

                local CJ = CFrame.new(car.Misc.Wheel.A.Position)
                local C0 = RightArm.CFrame:inverse()*CJ
                local C1 = car.Misc.Wheel.A.CFrame:inverse()*CJ

                W.C0 = C0
                W.C1 = C1
                W.Parent = RightArm

                local Y = Instance.new("Weld")

                Y.Name = "NewWeld"
                Y.Part0 = car.Misc.Wheel.A
                Y.Part1 = RightArm
                Y.C0 = CFrame.new(0.2,-0.9,-2.5) * CFrame.fromEulerAnglesXYZ(-0.01, 1.5, -1.8)
                Y.Parent = Y.Part0
                ------------------------------------------------

                local W = Instance.new("Weld")

                W.Part0 = LeftArm
                W.Part1 = car.Misc.Wheel.A

                local CJ = CFrame.new(car.Misc.Wheel.A.Position)
                local C0 = LeftArm.CFrame:inverse()*CJ
                local C1 = car.Misc.Wheel.A.CFrame:inverse()*CJ

                W.C0 = C0
                W.C1 = C1
                W.Parent = RightArm

                local Y = Instance.new("Weld")

                Y.Name = "NewWeld2"
                Y.Part0 = car.Misc.Wheel.A
                Y.Part1 = LeftArm
                Y.C0 = CFrame.new(-0.2,0.9,-2.6) * CFrame.fromEulerAnglesXYZ(0.93, 1.8, -2.2)
                Y.Parent = Y.Part0
    end)