EnLighten® for iOS
EnLighten 4.0 is now available in the Apple App Store.
EnLighten is designed to be simple and non-distracting. The options are mostly self-explanatory and you will likely use them rarely after you initially set up the App. However, because EnLighten is designed to put the minimum load possible on your phone's battery, you may sometimes see behaviors that you don't understand. Please read "About Power Savings" below for some clarifications.
If you see EnLighten behaving in a way that seems wrong to you, or if you have suggestions, please use our comment form.
EnLighten's various screens and options are described below.
Launch and About Screens
Basic Main Screen
With City Seal
When you launch EnLighten, one of the main screens at the
left appears with
If you are in a connected municipality, the appropriate city seal may be shown.
If a crossed-out satellite dish appears, it indicates that EnLighten cannot get the server access it needs to function.
; Settings Screens
The home screen's
Pausing and Resuming EnLighten
If you press the
When EnLighten is paused, the home screen is replaced with the "Paused" screen.
When EnLighten is able to predict a light's behavior, it can tell the driver using a variety of different countdowns, depending on the current situation. These include an exact countdown, as shown to the left, which indicates precisely when the light will change. If it can predict a minimum time till the change, a number with a plus sign, or “Countdown+” will appear, as seen on the right, indicating that the light will remain red at least that many seconds.
About five seconds before the light changes, for an exact prediction, or when the light will change in 5 or more seconds, for countdown+, the display changes to a white circle around a white car or a red car, respectively, as seen below, to warn you to get ready to drive.
At an intersection with a separate left-turn signal, EnLighten may show a separate countdown (or countdown+) for through and turning traffic, as shown on the left and right.
Out of Coverage
When you are out of EnLighten's coverage area, the home screen will be replaced with the "Out of Coverage Area" screen.
If you select the
Some traffic lights are not connected to the municipal traffic net for one reason or another (this may be a temporary or permanent situation). When you stop at such a light, EnLighten displays an "Off-System Light" screen to indicate that no countdowns or chimes will occur at that light.
About Power Savings
EnLighten tries to achieve a balance between responsiveness and battery life. When you go out of the coverage areas, or stop driving for a few minutes, EnLighten enters a power saving mode where it uses low power, less accurate, positioning technology (e.g., cell-towers instead of GPS), and checks your location and speed much less often.
As a result, it may take extra time when you come back into a covered area, or when you start moving, for the app to notice and resume normal operation. If you need EnLighten to wake up more quickly, you can tap the out-of-coverage icon or go to the iOS Home Screen and tap the EnLighten icon, either of which will cause EnLighten to fully activate once more.
Finally, when operating on battery with a battery level below approximately 20%, EnLighten will temporarily suspend, and not provide countdowns and notifications, which should extend the remaining battery life. When the charge increases sufficiently, EnLighten will resume.