How do you change a timing belt on 1989 Nissan Micra?

To change the timing belt on a 1989 Nissan Micra, first disconnect the battery and remove any components obstructing access to the timing belt cover. Then, align the timing marks on the crankshaft and camshaft to ensure proper timing, and remove the old belt by loosening the tensioner. Install the new timing belt, ensuring it's properly tensioned, and reassemble the components in reverse order. Finally, reconnect the battery and start the engine to check for proper operation.