4 ^* OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Check here for details and limitations. OnStar links to emergency services. Not all vehicles may transmit all crash data. Roadside services provided by Allstate Roadside Services for vehicles only. Limitations and restrictions apply. Advisor-based Turn-by-Turn Navigation is subject to Terms and limitations and varies by vehicle model. Map coverage available in U.S., Puerto Rico and Canada. Stolen Vehicle Assistance requires armed GM factory-installed theft-deterrent system, contact method on file and enrollment to receive alerts. Additional messaging and data rates may apply. Services are intended to assist with vehicle recovery and do not prevent theft or protect against damage or loss.

16 ^* OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Not all vehicles may transmit all crash data. Check here for details and limitations.

16a ^* OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Check here for details and limitations.

17 ^* Roadside services provided by Allstate Roadside Services for vehicles only. Limitations and restrictions apply.

18 ^* Requires paid plan, working electrical system, cell reception, GPS signal, armed GM factory-installed theft-deterrent system, contact method on file and enrollment to receive alerts. Additional messaging and data rates may apply. Services are intended to assist with vehicle recovery and do not prevent theft or protect against damage or loss. Check here for details and limitations.

19 ^* Requires paid plan, working electrical system, cell reception, GPS signal, armed GM factory-installed theft-deterrent system, contact method on file and enrollment to receive alerts. Message and data rates may apply. Check here for details and limitations.

20 ^* Requires paid plan and properly equipped vehicle. Mobile app functionality is available on select devices and requires data connection. Map coverage available in the U.S., Puerto Rico and Canada. Check here for details and limitations.

28 ^* Requires paid plan. Lock/unlock feature requires automatic locks. Remote start requires GM factory-installed and enabled remote start system. Check here for details and limitations.

64 ^* Certified by the International Academies of Emergency Dispatch.

1h ^* Source: Federal Bureau of Investigation, Uniform Crime Reporting Program (2017)

2h ^* Source: State of Alaska, Alaska Seismic Hazards Safety Commission

3h ^* Source: Crime Prevention and Justice Assistance Division, State of Hawaii (2017)

4h ^* Source: Oregon Department of Transportation (2016)

5h ^* Source: Montana Department of Transportation (2017)

6h ^* Source: Idaho Transportation Department, Office of Highway Safety (2016)

7h ^* Source: Nevada Department of Public Safety (2017)

8h ^* Source: Wyoming Department of Transportation (2016)

9h ^* Source: Utah Department of Public Safety (2016)

10h ^* Source: Colorado Department of Transportation (2017)

11h ^* Source: National Interagency Coordination Center

12h ^* Source: Nebraska Department of Transportation (2017)

13h ^* Source: National Weather Service (based on data from 2010–2017)

14h ^* Source: NOAA National Centers for Environmental Information

15h ^* Source: Minnesota Department of Public Safety, Office of Traffic Safety (2016)

16h ^* Source: Iowa Department of Public Safety (2016)