How to choose Satnavs and GPS systems
• With an array of satnav devices on the market, how can you choose the most reliable fit? Core features to be on the lookout for include a high resolution screen that you’ll be able to read easily at a glance.
• A high sensitivity receiver is a good feature to look for, because it will ensure that the GPS unit gives accurate information.
• Additional features in the best satnavs include lane assist, 3D maps, points of interest and live traffic information. If you want to go the extra mile with bonus features, you could also look for built-in MP3 players and hands-free calling.