Battery Disconnect Precautions: Telematics

Telematics is an in-vehicle communication system that uses cellular, internet and Global Positioning System (GPS) technologies to provide customer with safety, security and convenience services. On vehicles equipped with Audi Telematics by OnStar®, switch emergency battery for telematic/telephone control module to the OFF position prior to disconnecting vehicle battery. Emergency battery is turned on and off using VAG 1551/VAG 1552 or VAS 5051/VAS 5052 scan tool in address word 75 - TELEMATICS set to function 10 - ADAPTATION CHANNEL 08.