How do you change the gearbox on a Renault scenic 1.6?

To change the gearbox on a Renault Scenic 1.6, first, ensure the vehicle is securely raised and supported. Disconnect the battery, then remove the driveshafts, exhaust, and any components obstructing access to the gearbox. Unbolt the gearbox from the engine and support it with a jack, then carefully remove it from the vehicle. Install the new gearbox by reversing the process, ensuring all connections are secure and fluid levels are checked before starting the engine.