Set it up while parked
- Open ClearSpeed and wait for Good GPS.
- Tap HUD, then Mirror. (Mirror can also be set in Settings → Display → HUD mirror.)
- Leave Keep screen awake on (it is on by default) so the display doesn't lock mid-trip. ClearSpeed only measures while it is open on screen.
- Start a trip if you want the stats recorded.
- Lay the phone flat on a non-slip mat or in a dashboard mount, top of the screen toward you, below your line of sight.
- Check the reflection from the driver's seat. If it's doubled, faint, or distracting, switch back to Normal and use a regular mount instead.
Before you drive
- Do not adjust the app or the phone while moving. Pull over first.
- Keep the phone clear of airbags, vents, and your view of the road.
- Follow local laws about phone placement and use while driving.
- Screens and batteries get hot in direct sun on a dashboard; remove the phone if iOS shows a temperature warning.
Brightness
At night, the default HUD brightness is usually enough. Very bright screens can create glare on the glass. Adjust iPhone brightness before you set off.
Battery
HUD mode keeps the screen on and GPS running. For long drives, connect power. Battery Saver (Settings → Battery) lowers GPS precision and dims non-essential UI to reduce drain.
Not a certified instrument
ClearSpeed is an informational display. Your vehicle's speedometer and posted signs remain the reference.
Try it on your next trip
ClearSpeed GPS is $3.99 once in the U.S. App Store, with no subscription, in-app purchases, or ads. View ClearSpeed GPS on the App Store.