Loading the question bank
Revision question · Safety and your vehicle
Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.
All vehicles need to be serviced to keep working efficiently. An efficient engine uses less fuel and produces fewer harmful emissions than an engine that's running inefficiently. Keeping the vehicle serviced to the manufacturer's schedule should also keep it reliable and reduce the chance of it breaking down.
Reviewed reading for this question