1.5.01-004 - What happens as a result of tyre pressures being well below the recommended levels? 1.5.01-005 - When should you switch off the engine to save fuel and reduce pollution? 1.5.01-006 - Your vehicle loses oil. How much drinking water can be polluted by a single drop of oil? 1.5.01-007 - What must you remember when refuelling? 1.5.01-010 - Where can used oil, lubricants and car batteries be taken to be disposed of properly? 1.5.01-014 - What measures help protect the environment? 1.5.01-016 - What can regular vehicle maintenance help achieve? 1.5.01-110 - How do you drive with consideration to the environment? 1.5.01-114 - What can help save fuel and reduce pollution? 1.5.01-115 - What can you do to help protect the environment? 1.5.01-118 - Why is it beneficial to use low viscosity engine oil? 1.5.01-120 - How can you save fuel? 1.5.01-121 - How can you minimise tyre wear? 1.5.01-122 - What vehicles are generally exempt from the ban on road traffic in "environmental zones"? 1.5.01-123 - When is it sensible to switch off a combustion engine? 1.5.01-124 - You are driving through city traffic in rush hour. What are the effects of stop-and-go driving? 1.5.01-125 - What is a pre-condition for environmentally-friendly and energy-saving driving? 1.5.01-126 - You are driving a motor vehicle with a manual gearbox. What style of driving results in higher fuel consumption within a built-up area? 1.5.01-127 - You are driving a motor vehicle with a manual gearbox. How can you reduce the fuel consumption of your vehicle? 1.5.01-128 - How can you reduce the noise generated by your motor vehicle? 1.5.01-129 - What should you do to help protect the environment? 1.5.01-130 - You are driving a motor vehicle with a manual gearbox. When driving, what can cause avoidable noise pollution? 1.5.01-131 - You are driving a motor vehicle with a manual gearbox on a level carriageway. How should you change gears so as to drive in a particularly environmentally conscious and economical way? 1.5.01-132 - You are driving a motor vehicle with a manual gearbox. What type of behaviour pollutes the environment? 1.5.01-133 - You are driving a motor vehicle with a manual gearbox. How can you achieve efficient fuel consumption? 1.5.01-134 - What should you consider after starting your vehicle? 2.5.01-001 - What can you do to avoid unnecessary noise? 2.5.01-007 - Why should you avoid driving off at a rapid pace? 2.5.01-011 - What is caused by driving with winter tyres during the summer months? 2.5.01-012 - What motor vehicles may enter an environment zone that has this sign? 2.5.01-013 - You want to wash your car. Where should you do this in the interests of environmental protection? 2.5.01-014 - What increases the fuel consumption of your vehicle considerably? 2.5.01-015 - What can reduce the fuel consumption of a commercial vehicle? 2.5.01-016 - What are the effects of driving at high speed in motor vehicles with combustion engines? 2.5.01-017 - When riding a motorcycle, what can you do to avoid unnecessary noise? 2.5.01-018 - Why is an environmentally considerate driving style also beneficial for road safety? 2.5.01-102 - What must you know about catalytic converters? 2.5.01-106 - What results in increased fuel consumption of your car? 2.5.01-107 - How can you save fuel? 2.5.01-109 - Which conduct shows awareness of the environment? 2.5.01-111 - How can you reduce noise? 2.5.01-117 - Where do you have to place the emissions sticker for identifying lowemission vehicles? 2.5.01-119 - Where can you stow your baggage so that you do not increase your fuel consumption unnecessarily? 2.5.01-120 - Tyre wear negatively impacts the environment. How can you reduce this impact? 2.5.01-121 - What can contribute to environmentally-friendly driving? 2.5.01-122 - How can you save fuel if you drive a car with an automatic gearbox? 2.5.01-123 - What cars that are driven within designated environmental zones must display a particulate matter sticker? 2.5.01-124 - What can result from listening to very loud music while driving a car? 2.5.01-125 - Air resistance affects the fuel consumption of a vehicle. What affects air resistance the most? 2.5.01-126 - You have to wait because a rail-crossing barrier is lowered. How can you now help protect the environment at this point? 2.5.01-127 - What increases the range of an electric vehicle? 2.5.01-128 - What is the benefit of recuperation in an electric vehicle? 2.5.01-129 - Your car is equipped with an automatic start-stop system. What is the environmental protection benefit from using this vehicle system? 2.5.01-202 - How can you avoid unnecessary noise? 2.5.01-203 - What can cause noise pollution? 2.5.01-205 - Which motor vehicles are allowed to use a road with this sign? 2.5.01-206 - How can you avoid creating noise? 2.5.01-207 - When planning your journeys, how can you make them environmentally-friendlier? 2.5.01-208 - How do you drive down a descending gradient safely? 2.5.01-209 - What motor vehicles are permitted to enter an environment zone without a fine-particle badge? 2.5.01-210 - What manufacturer specifications will allow you to know if your motor vehicle is environmentally-friendly? 2.5.01-211 - Why are short journeys performed with a cold engine especially damaging to the environment? 2.5.01-212 - What causes avoidable noise? 2.5.01-213 - How does the eco-roll mode in commercial vehicles contribute to the reduction of fuel consumption?