1 Visit onstar.com for vehicle availability, details and system limitations. Services vary by model and conditions. 4G LTE service available in select markets. 4G LTE performance based on industry averages and vehicle systems design. Some services require data plan.
2 Vehicle must be started or in accessory mode.
3 Speed claim based on comparison of national carriers' average 4G LTE download speeds for Android™ and Windows smartphones and iPhone 5.
Reliability claim compares data transfer completion rates on nationwide 4G LTE networks. Limited 4G LTE availability in select markets. LTE is a trademark
of ETSI. 4G speeds not available everywhere.
15 Guidance Trial Plan excludes Hands-Free Calling minutes.