When I watch the dashcam recordings on my computer, why aren’t the speed and G-sensor features displayed?

When I watch the dashcam recordings on my computer, why aren’t the speed and G-sensor features displayed?

The device may be unable to obtain a GPS fix. Please ensure it has access to a proper GPS signal. If it cannot acquire a fix for an extended period, we recommend restoring the device to factory settings or updating the firmware and trying again. If the problem persists, it is advisable to send the device in for repair.