In brief
The German periodic vehicle inspection (Hauptuntersuchung, HU) checks a vehicle’s roadworthiness and compliance with regulations; the emissions test (Abgasuntersuchung, AU) is part of it. Passenger cars are inspected for the first time three years after initial registration, then every two years.
What is inspected?
The brakes, steering, lights, tires, suspension, bodywork, safety equipment, and exhaust emissions. After a successful inspection, a sticker is placed on the rear number plate showing the month and year when the next inspection is due.
The conventional emissions test does not apply to electric vehicles; their high-voltage system is inspected instead.
How does it differ from the UVV inspection?
In its purpose and legal basis. The HU arises from road traffic law and applies to all vehicles used on public roads. The UVV inspection arises from occupational safety law and concerns vehicles used for business. Neither inspection replaces the other, and their deadlines differ, so fleets must track them separately.
What happens if the deadline is missed?
Missing the deadline can result in a fine. If it is exceeded by a considerable margin, an extended and more expensive inspection is added. In the event of a claim, an expired inspection can also weaken the company's position with the insurer.
In a fleet, the risk rarely stems from carelessness, but from responsibilities being spread across people: the due date is recorded in the digital vehicle record, while the vehicle is out with a field sales employee. A reminder that reaches the driver directly is therefore more effective than a list kept by the administration.
Further reading
Fleet Management Without Excel Spreadsheets
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