Safe and Economical Driving — DGT theory test questions

Safe and Economical Driving is one of the topics tested on the official Spanish DGT theory exam. Work through the questions below in English — each one shows the correct answer and a clear explanation of the rule behind it — then take a full topic test to check you are ready.

46 questions

• Applying economical driving can reduce fuel consumption by up to approximately:
• Which of the following is NOT a benefit of economical driving?
• For efficient driving, how should the engine be started?
• In a petrol engine, at what engine speed is it best to change to a higher gear to save fuel?
• Which of these practices helps save fuel when changing gear?
• When you lift your foot off the accelerator and let the vehicle coast in gear above 1,000 rpm, fuel consumption:
• During a stop, when is it advisable to switch off the engine to save fuel?
• For efficient and safe driving, the most advisable approach to speed is:
• Above roughly what speed does the vehicle start to consume and pollute significantly more?
• At what temperature should the cabin be kept so the air conditioning does not increase consumption excessively?
• Which accessory increases air resistance and therefore fuel consumption at high speeds?
• Driving at speed on an interurban road with the windows down:
• Regarding tyres, what directly affects fuel consumption?
• Regular vehicle servicing (filters, spark plugs, tyre pressure):
• Why does a vehicle consume more fuel driving in the city than on the open road, despite going slower?
• Why is going downhill in neutral NOT a safe fuel-saving measure?
• Using a fuel other than the one recommended by the manufacturer to save money:
• What does a vehicle's Start-Stop system do?
• A vehicle's "Eco" mode allows you to:
• What are the three pillars of preventive driving?
• In preventive driving, how many seconds ahead is it advisable to look in order to anticipate hazards?
• Even with correctly adjusted mirrors, to make sure no vehicle is in the blind spot before changing lanes you must:
• In anticipatory driving regarding large vehicles, the correct approach is to:
• According to the seconds rule, what time gap should be kept from the vehicle ahead in the city?
• In rain, fog, snow, or at night, the safety gap to the vehicle ahead:
• If the vehicle behind gets too close (tailgating you), what should you do?
• When stopping at a traffic light or in a jam, what gap should you leave from the vehicle ahead?
• With a cold engine, driving fast immediately after starting:
• For efficient driving when accelerating, the correct approach is to:
• What is the purpose of the catalytic converter in the vehicle's exhaust system?
• With a flat battery, trying to start the engine by pushing the vehicle:
• Wearing the seat belt correctly fastened in the event of an accident:
• How should the lap (abdominal) strap of the seat belt be positioned?
• What is the safest place to seat children in the vehicle?
• If a child seat is fitted in the front passenger seat, what must be done?
• What minimum distance should be kept between the driver's chest and the steering wheel so the airbag works correctly?
• How should the head restraint be adjusted to protect the neck in an impact?
• In two-wheeled vehicle accidents, what function does the helmet perform?
• What is the function of a vehicle's ABS system?
• Active safety systems, such as ABS, ESP, or traction control, have the main objective of:
• A vehicle's ESP system is used to:
• Before starting a trip, which of these items should be carried in the vehicle?
• When planning a long trip, how often is a rest stop recommended?
• How many types of DGT environmental labels are there?
• Where must the environmental label be placed on a passenger car?
• What are the Low-Emission Zones (ZBE) that local councils can establish?