iOS 7 and later uses a parallax effect to create the perception of depth on your Home screen and other areas of your device. When parallax effect is on, you might notice: 1  Screen zooms when you open folders or apps. 2  Wallpaper icons and alerts shift slightly when you move your iPhone, iPad, or iPod touch.
It depends of course on which of the many things it offers you sign up for. It can diagnose problems with you car, tell you when oil changes are due, and give you turn by turn instructions. OnStar costs between $17 to $70 a month. Adding navigation (called turn-by-turn) to the basic service costs over $34 a month.
One-day use by anyone (OnStar subscriber or not) costs $5 a day for 250MB. A 12 month, 10GB âbucketâ of 4G LTE service will cost $150 for OnStar subscribers or $200 for nonsubscribers. Existing AT&T customers can add GM vehicles to their Mobile Share plan for $10 a month.