Your Airguide may someday stick, drift, or grow quiet. This is not failure. It is character. A gentle cleaning, a re-calibration against a known pressure (your local airport’s altimeter setting will do), and it will speak again.
“Ask the barometer. It’s been listening all night.” airguide barometer manual
— The Airguide Navigator’s Guild (and one old salt who still refuses to own a smartwatch) Your Airguide may someday stick, drift, or grow quiet