OnStar® Remote Link
WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
A vehicle operator may have the ability to perform some of the keyless entry functions using applications on personal devices such as smart phones. Refer to OnStar Description and Operation (With EF7 or Z49) and/or OnStar Description and Operation (Without EF7 or Z49) .