car mechanic, simulator 2021, multiplayer feature, Xbox console, realistic tools, garage environment, vehicle repair, engine overhaul, tire change, diagnostics, cooperative gameplay, online interaction, detailed car models, immersive gameplay, virtual workshop, interactive car parts, mechanical simulation, teamwork, player collaboration, custom liveries, realistic lighting, dynamic shadows, high-resolution textures, interactive garage equipment, 3D car models, accurate car physics, hands-on mechanical tasks, virtual reality support, enhanced graphics, split-screen option, network play, automotive enthusiast, gearheads, car customization, performance upgrades, racing modifications, detailed interior, under the hood, multiplayer mode, console gaming.