Sony has design, manufacturing and parts related initiatives aimed at improving the quality, safety and long-term reliability of products. Sony has created institutional mechanisms to develop and manufacture products for long term use. More information. Sony provides details on innovations for extending product life, including battery care functions and software updates. Sony does not provide information on the average length of product warranties, apart from some information on a tourist limited warranty. Sony needs to publicly disclose the length of warranty and spare parts availability for its main product lines. For maximum points it also needs to show some innovative measures that increase lifespan and durability of whole product systems, rather than only individual parts.