Vehicle condition
Where can you get advice about carrying out repairs to your vehicle?
What proportion of the width of a tyre must have at least the legal minimum depth of tread?
Your vehicle has broken down at night on a two-way road. How should you try to leave the vehicle?
Why is it important to avoid overfilling the engine with oil?
What could happen if you overfill your engine with oil?
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?
What's the final thing you should do after recoupling a trailer?
You're checking your vehicle. What should you do if you discover an air leak in the braking system?
How often should the components of the fifth-wheel coupling be inspected?
When would you use 'kickdown' on a vehicle that has automatic transmission?
What's the most likely reason for a diesel-engined vehicle running erratically in very cold weather?
What's the most likely cause if your steering starts to feel heavy?
A tyre has been replaced on your vehicle. What precautions should be taken when tightening the wheel nuts?
On motorways, you're usually driving at higher speeds for long distances. What effect can this have on your tyres?
You discover that one of your rear brake-light bulbs has failed. How soon should it be replaced?
Bus and lorry tyres have codes on their side walls. What do these codes refer to?
You're uncoupling a trailer. What must you do before disconnecting any of the air lines?
What's it advisable to do when you replace a tubeless tyre?
When should you check the wheel nuts on your vehicle?
Your vehicle suffers a tyre blow-out. How could this create a hazard for other road users?
Why should you use an approved coolant solution in your engine's cooling system?
You've stopped on a firm, level surface. What's the first thing you must do before you uncouple the trailer?
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's the minimum depth of tread required over three-quarters of the breadth of a lorry tyre?
When should you check the oil level in your engine?
Where does a high-pressure fuel injector deliver fuel?
What should you do if thick black smoke is coming from the exhaust of your vehicle?
What's the advantage of energy-saving tyres?
Which tool is essential for fitting a road wheel?
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?
Your steering suddenly becomes heavy to turn. What could make this happen?
What's the fifth-wheel coupling used for?
When should your lorry coupling system (fifth wheel) be checked and lubricated?
What do heated fuel lines prevent?
Your vehicle has double rear wheels. Why should you check them before leaving a building site?
What could happen if there isn't enough oil in your engine?
Why should your engine oil be changed at the recommended intervals?
How frequently should the components of a fifth-wheel coupling be inspected?
How can vehicle breakdowns be reduced?
You're driving along a motorway. What should you do if the air-pressure warning device starts to operate?
Where can you get advice to help carry out minor repairs?
What would be illegal?
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?
What do the codes shown on the side walls of bus and lorry tyres refer to?
What happens to diesel fuel when it gets hot?
Why are energy-saving tyres effective?
What must vehicle operators provide for their drivers?
What should you check before you drive off a muddy building site onto the road?
What should you do if you notice that two wheel nuts are missing from one of the wheels on your vehicle?
A loud buzzer sounds in your vehicle. What's this most likely to indicate?
You notice that one of your tyres has a bulge in the side wall. What will happen if you drive the vehicle?
Where should you park your vehicle before checking the engine oil level?
You've had to change a wheel on your vehicle. When should the wheel nuts be checked again?
What should you do if your power-assisted steering fails suddenly?
How can you check the age of a tyre fitted to your vehicle?
What will happen if you follow a regular vehicle maintenance schedule?
Why should you carry out a daily walk-round check before setting off?
When can 'selective' or 'block' gear changing be used?
What would you secure with a dog clip?
You're driving a new articulated lorry that's fully laden. You notice that the steering feels heavy. What's the most likely reason?
What should you do if the brake pedal becomes hard to press?
What's the main reason for cleaning your wheels and tyres when you leave a building site?
What can you add to diesel fuel to prevent it from becoming less effective at low temperatures?
You're driving a lorry along a motorway. You notice that you're losing tread from one of your tyres. What should you do?
You're checking your vehicle's tyres before starting a long motorway journey. What check should be made on each tyre?
While driving, your engine-oil warning light comes on. Why could it be dangerous to continue driving?
When should anti-freeze be used in the cooling system?
Why do air tanks on brake systems need to be drained?
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's the purpose of the oil filter?
What's most likely to cause a burst tyre?
What should you check for wear or damage on a drawbar unit?
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?
What should you do before changing a wheel on your vehicle?
You hit the kerb at speed. What part of your vehicle should you check for damage?
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