HUD Guides

Why a Toyota or Lexus head-up display goes dark or stays off, how to turn it back on in the Camry, Tundra, Highlander, RX, NX and others, and windshield replacement advice.

Why an Audi or Volkswagen head-up display won’t come on, the known Audi HUD software fault that can drain the battery, how to adjust the HUD, and windshield replacement advice.

Why a Nissan Qashqai, X-Trail or Ariya head-up display stays off, how the Peugeot 3008, 5008 and 508 pop-up strip works, and which newer Peugeots have no projected HUD at all.

Why a Hyundai, Kia or Genesis head-up display stops showing, where to switch it back on in each menu, the hot-weather shutoff on AR HUDs, and the recalls and bulletins that apply.

Why a MINI head-up display screen won’t come up, looks faint or grinds, how to switch it on and adjust it on every generation, and when the pop-up unit needs a dealer.

Why a Mazda Active Driving Display goes blank, dim or out of position, how to switch it on and adjust it, and Mazda’s bulletins for pop-up and windshield-type displays.

Why a factory BMW head-up display stops showing, how to switch it on and adjust it on every iDrive generation, and the BMW service bulletins that fix known HUD faults by model.

Why a factory Mercedes-Benz head-up display stops showing, how to turn it on and adjust it on COMAND and MBUX cars, what the HUD messages mean, and known dealer fixes.

Why a factory GM head-up display goes blank, faint, tilted or doubled, how to fix it with GM’s own checklist, and which dealer bulletins cover a HUD that won’t respond.

A head-up display looks like magic the first time you see one: numbers floating over the road ahead, apparently hanging in mid-air beyond the bonnet. The mechanism is simpler than it looks. Here is how a car HUD actually works — the optics, the data, and why the image seems to sit out on the […]