OnStar RemoteLink provides connectivity to your Chevrolet, Cadillac, Buick & GMC OnStar RemoteLink offers an amazing level of control and connection with your vehicle. After downloading and registering the app, Cadillac, Chevrolet, Buick and GMC owners with a 2010-2012 model year eligible vehicle can use their mobile device to access real-time data from their vehicle and perform commands like unlocking doors remotely. Unmatched control to:-Find a destination on your phone and send it directly to your OnStar Turn-by-Turn or In-Dash navigation system (OnStar Directions & Connections subscription required). Your directions will be downloaded and available upon vehicle start, and you are on your way. -Lock/unlock your doors from any distance-Start your vehicle remotely (based on vehicle capability)-Control your Chevrolet Volt charging and charge mode settings-Activate your Horn & Lights to help locate your vehicle-Contact an OnStar Advisor, Roadside Assistance or your Preferred Dealer Unprecedented connectivity to:-View real-time fuel information, including fuel range, gallons of gas remaining and your lifetime MPG-View your Chevrolet Volt battery state of charge, electric range, electric miles and MPG-Check your current lifetime mileage-Check your remaining oil life-View your current tire pressure information-Access account information Please check www.OnStar.com for vehicle eligibility.