Vehicle condition
How often should the components of the fifth-wheel coupling be inspected?
What could happen if there isn't enough oil in your engine?
What's the most likely reason for a diesel-engined vehicle running erratically in very cold weather?
While driving, your engine-oil warning light comes on. Why could it be dangerous to continue driving?
What's the final thing you should do after recoupling a trailer?
What's the advantage of energy-saving tyres?
Why should you carry out a daily walk-round check before setting off?
When should wheel nuts be checked?
What should you do if you notice that two wheel nuts are missing from one of the wheels on your vehicle?
The Driver and Vehicle Standards Agency (DVSA) and the police carry out spot checks for faulty vehicles. What will happen to the vehicle if serious defects are found?
You're uncoupling a trailer. What must you do before disconnecting any of the air lines?
A loud buzzer sounds in your vehicle. What's this most likely to indicate?
What would you secure with a dog clip?
Why are energy-saving tyres effective?
Your vehicle has double rear wheels. Why should you check them before leaving a building site?
When should you check the wheel nuts on your vehicle?
Where can you get advice about carrying out repairs to your vehicle?
Bus and lorry tyres have codes on their side walls. What do these codes refer to?
In very cold weather, moisture can freeze in your vehicle's air storage tanks. What can you do to help prevent this from happening?
What should you do if the brake pedal becomes hard to press?
What could happen if you overfill your engine with oil?
What should you do if thick black smoke is coming from the exhaust of your vehicle?
You're checking your vehicle. What should you do if you discover an air leak in the braking system?
When would you use 'kickdown' on a vehicle that has automatic transmission?
What must vehicle operators provide for their drivers?
What will happen if you follow a regular vehicle maintenance schedule?
On your daily walk-round check, you see that one front tyre is more than 10 years old. What should you do before using the vehicle?
What should you check before you drive off a muddy building site onto the road?
What do the codes shown on the side walls of bus and lorry tyres refer to?
How can vehicle breakdowns be reduced?
You notice that one of your tyres has a bulge in the side wall. What will happen if you drive the vehicle?
Where does a high-pressure fuel injector deliver fuel?
You're driving a new articulated lorry that's fully laden. You notice that the steering feels heavy. What's the most likely reason?
Before starting a journey, you want to check your brake-system warning lights. What can you do when these aren't operated by the ignition switch?
What could happen if you overfill your engine with oil?
What happens to diesel fuel when it gets hot?
What would be illegal?
You've had to change a wheel on your vehicle. When should the wheel nuts be checked again?
What's the main reason for cleaning your wheels and tyres when you leave a building site?
Which tool is essential for fitting a road wheel?
What's the minimum depth of tread required over three-quarters of the breadth of a lorry tyre?
Your vehicle has broken down at night on a two-way road. How should you try to leave the vehicle?
When should you check the oil level in your engine?
What's the purpose of a preheating device?
Your steering suddenly becomes heavy to turn. What could make this happen?
You're driving a lorry along a motorway. You notice that you're losing tread from one of your tyres. What should you do?
On motorways, you're usually driving at higher speeds for long distances. What effect can this have on your tyres?
What does it mean if the ignition warning light comes on while you're driving?
You're about to start a long journey midway through the day. What should you do if you notice that the sidelights work but the headlights are faulty?
Why is it important to avoid overfilling the engine with oil?
What's the fifth-wheel coupling used for?
Why should your engine oil be changed at the recommended intervals?
What do heated fuel lines prevent?
You're driving along a motorway. What should you do if the air-pressure warning device starts to operate?
How frequently should the components of a fifth-wheel coupling be inspected?
Your vehicle suffers a tyre blow-out. How could this create a hazard for other road users?
At a Driver and Vehicle Standards Agency (DVSA) roadside check, your vehicle is found to have serious defects and you may no longer use it. Who will DVSA share this information with?
When can 'selective' or 'block' gear changing be used?
A tyre has been replaced on your vehicle. What precautions should be taken when tightening the wheel nuts?
What's most likely to cause a burst tyre?
You're checking your vehicle's tyres before starting a long motorway journey. What check should be made on each tyre?
What should you check for wear or damage on a drawbar unit?
When should your lorry coupling system (fifth wheel) be checked and lubricated?
What's the most likely cause if your steering starts to feel heavy?
What should you do before changing a wheel on your vehicle?
Why should you use an approved coolant solution in your engine's cooling system?
What should you do if your power-assisted steering fails suddenly?
Why do air tanks on brake systems need to be drained?
What can you add to diesel fuel to prevent it from becoming less effective at low temperatures?
What does this warning light on the instrument panel mean?
What proportion of the width of a tyre must have at least the legal minimum depth of tread?
Where should you park your vehicle before checking the engine oil level?
How can you check the age of a tyre fitted to your vehicle?
You discover that one of your rear brake-light bulbs has failed. How soon should it be replaced?
What's the purpose of the oil filter?
When should anti-freeze be used in the cooling system?
What does this warning light on the instrument panel mean?
You hit the kerb at speed. What part of your vehicle should you check for damage?
You've stopped on a firm, level surface. What's the first thing you must do before you uncouple the trailer?
Where can you get advice to help carry out minor repairs?
What's it advisable to do when you replace a tubeless tyre?
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