CarsSelling or buying a connected car: data and accounts to check
A guide to checking profiles, phones, connected services and digital ownership when a modern car changes hands, without assuming that a reset deletes everything.
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Explore the world of motoring
Explore brings together information for informed vehicle decisions. Start with the intended use and market, then check each guide’s sources and review date.
Where to start
29 articles
Cars
CarsHow to read your car's maintenance schedule
A guide to finding the right schedule, understanding time, mileage and usage intervals, and checking a service or the history of a used car.
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CarsCar parked for several weeks: how to care for the low-voltage battery and when to consult the manual
Leaving a car parked for several weeks means keeping an eye on the low-voltage battery. We explain what can drain it, what to check before you leave and why the manual should guide any intervention.
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Agricultural & industrialHow to choose an agricultural tractor: power, weight, transmission and hydraulics for the job
Power is only the starting point. This guide explains how to match tasks, implements and technical specifications to choose a compatible, properly sized agricultural tractor.
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Rail & special vehiclesCatenary-free trains: when to choose battery, hydrogen or modern diesel
Non-electrified regional lines do not have a single technological answer: battery, hydrogen, hybrids and modern diesel depend on the route, the energy and the available infrastructure.
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