. My sat nav comes with free lifetime map updates. If your sat nav has a ‘LM’ designation, for example, the nuvi LM or nuvi LM then your device comes .SQL Server articles, scripts, and discussion groups… Getting started Getting started Install your TomTom XL in your car following the instructions on the installation poster at the start of this book..Always know the road ahead. Update your map or buy a new travel map. Discover now..