Alertness

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The rule that bans hand-held phone use applies to driving, which includes being temporarily stopped in traffic or at lights with the engine running, not just while the car is actually moving; only stopping somewhere you have legitimately parked removes the restriction. The option treating a stationary vehicle as exempt confuses 'not moving' with 'not driving' — the ban applies throughout the journey, including short stops caused by traffic control. The option distinguishing messages from calls is wrong because the ban covers any interactive use of a hand-held device, not just phone calls — texting, browsing, or using apps hand-held all breach the same rule. The option about using the speaker while still holding the handset is wrong because it is the act of holding and operating the device, not how the audio is routed, that makes the use illegal — the phone must be secured in a cradle or mount to be used hands-free.

Source: The Highway Code, Rule 149 (GOV.UK)

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Rule 148 lists loud music among the things to avoid because safe driving needs concentration, and it specifically flags that loud music can mask other sounds — the emergency siren, a horn, or a warning shout that alerts you to a hazard you would otherwise miss. Fuel use is not part of the concern; loud music has no meaningful effect on consumption, so that option invents a mechanism the Code never mentions. Insurance is not automatically voided by playing music loudly — that is not how motor insurance contracts work, and no such clause appears anywhere in the Code. The car's electrical system is not put at risk by higher volume either — a stereo drawing more current does not overheat a modern vehicle's wiring, so that explanation is invented rather than a genuine safety mechanism the Code identifies for why the practice is discouraged.

Source: The Highway Code, Rule 148 (GOV.UK)

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Rule 150 warns that in-vehicle systems such as satellite navigation can distract a driver, and the guidance is to avoid being distracted by maps or screen-based information while driving or riding — the safe approach is to stop somewhere suitable first. The option allowing a brief glance treats distraction as purely a matter of duration, but even short glances take your eyes and attention off the road at the exact moment a hazard could appear, so the rule does not carve out an exception for quick looks. The 'quiet road' option is wrong for the same reason — a pedestrian stepping out or an animal on the road is not ruled out just because traffic happens to be light. Handing the device to a passenger does not address the guidance the rule actually gives about the driver's own attention, so it is not what the Code recommends either.

Source: The Highway Code, Rule 150 (GOV.UK)

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Rule 133 says that before changing lane you should first use your mirrors and, if necessary, take a quick sideways glance, to make sure you will not force another road user to change course or speed — the check comes before the manoeuvre, not during or after it. Sounding the horn is not the method the rule describes for confirming safety; a horn alerts others to your presence but tells you nothing about what is sitting in your blind spot, so it does not replace a mirror check. Hazard lights are meant to warn others of a hazard or obstruction, not to accompany the routine act of changing lane, so leaving them on for a normal lane change is not what the rule asks for. Signalling before checking reverses the correct order — you need to know the lane is clear before you commit to moving, otherwise the signal alone gives no protection against a vehicle you haven't yet seen.

Source: The Highway Code, Rule 133 (GOV.UK)

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Rule 159 sets out the moving-off routine as: use all mirrors to check the road is clear, look round to check the blind spots the mirrors can't show you, signal if it's needed to let others know what you intend to do, and then take a final check immediately before actually moving off. The option that signals first has the sequence backwards — signalling before you know whether it is even safe or necessary risks confusing other road users about a manoeuvre you might not go on to make. The option checking the blind spot before the mirrors also reverses the intended flow, since the mirrors give you the wide picture first and the blind-spot glance fills the specific gap the mirrors leave. The remaining option still places the signal too early, ahead of confirming there is nobody in the area the mirrors cannot cover, so it does not match the recommended sequence either.

Source: The Highway Code, Rule 159 (GOV.UK)

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Rule 202 says you should look carefully before starting to reverse, using all your mirrors and checking the blind spot behind you for pedestrians, cyclists, or obstructions, and then keep checking all around as you reverse slowly, looking mainly through the rear window rather than only at a mirror. Relying on the interior mirror alone is wrong because it cannot show the full width behind a vehicle, particularly close to the rear corners, which is exactly where the blind spot lies. Fitted sensors or a camera can help but are described as an aid, not a replacement for looking round yourself, so treating them as a substitute misstates the rule. Checking only at the start and then looking forward misses developing hazards, such as a child or cyclist moving into the path partway through the manoeuvre, which is why the Code calls for continuous observation rather than a one-off glance.

Source: The Highway Code, Rule 202 (GOV.UK)

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Rule 91 recommends a minimum break of at least 15 minutes after every two hours of driving, and advises avoiding long journeys between midnight and 6am where possible, since natural alertness is at its lowest in that window, and it also tells drivers to plan sufficient rest stops in advance rather than waiting until they already feel drowsy. The five-minutes-every-hour option invents a much shorter, more frequent interval than the Code specifies, and the 9am restriction has no basis in the rule at all. The option claiming there is no specific interval is wrong because the Code does give a concrete figure — 15 minutes every two hours — precisely so drivers have a plannable rule rather than relying on guesswork. The 30-minutes-every-four-hours option roughly doubles the recommended gap between breaks and drops the midnight-to-6am guidance entirely, understating how directly the Code addresses the highest-risk period for fatigue.

Source: The Highway Code, Rule 91 (GOV.UK)

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Rule 96 makes clear that you must not drive under the influence of drugs or medicine, and it directs drivers to check with a doctor or pharmacist if unsure whether a particular medicine affects the ability to drive safely, then to avoid driving if it does — a prescription being legal does not make it safe to drive on if the medicine impairs you. The option treating any doctor's prescription as an automatic override gets this backwards: being legally prescribed a medicine does not exempt you from the underlying safety rule if that medicine impairs your driving. The option requiring a printed warning symbol before you act is wrong because the rule relies on you checking and using the medical advice you are given, not on packaging alone, and ignoring a pharmacist's spoken warning would go directly against that guidance. The fixed 24-hour rule is invented — the Code gives no blanket waiting period, because different medicines affect people differently and for different durations, which is exactly why it tells you to seek specific advice rather than follow one number for everything.

Source: The Highway Code, Rule 96 (GOV.UK)

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Rule 237 states that if you are dazzled by bright sunlight, you should slow down and, if necessary, stop, because continuing at normal speed while unable to see the road properly greatly increases the risk of a collision with a hazard you simply cannot see coming. Speeding up is the opposite of what is needed — less time to react while your vision is impaired makes the situation more dangerous, not less. Closing one eye is not guidance given anywhere in the Code and would only reduce your usable field of vision further, offering no real protection. Hazard lights are meant to warn other drivers of an obstruction or a stopped vehicle, not to compensate for the driver's own reduced vision while continuing to move at speed — the rule calls for reducing speed and stopping, not signalling to others while carrying on regardless.

Source: The Highway Code, Rule 237 (GOV.UK)

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Rule 92 sets a specific, testable eyesight standard: being able to read a vehicle number plate in good daylight from 20 metres away, or 20.5 metres for the older style of plate, and if glasses or contact lenses are needed to reach that standard, the rule says you must wear them at all times while driving, not just when convenient. The 10-metres option understates the actual distance required, which would let drivers with genuinely poorer eyesight pass a standard the Code sets higher. Treating the eye test as a one-off event at licence application misses the point that the standard is an ongoing requirement you must keep meeting every time you drive, which is also why the police retain the power to test a driver's eyesight at the roadside at any time, not only when a new licence is issued. The option making the distance requirement conditional on a police request confuses the standard itself, which always applies, with the police's separate power to check compliance with it.

Source: The Highway Code, Rule 92 (GOV.UK)

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Rule 95 warns that alcohol affects the factors that make driving safe and that it can still be present in the body well into the next day, so a few hours of sleep does not guarantee it has cleared; the rule's own advice for anyone planning to drive is simply not to drink at all. The option claiming a fixed four-hour processing time is wrong because the Code gives no such number — how long alcohol stays detectable and impairing depends on the amount drunk and on individual factors like weight, sex, metabolism and what was eaten, not a flat timer that runs out regardless of how much was consumed. The option about feeling fine being sufficient is wrong because the legal limit is a fixed, measurable breath or blood alcohol figure, not a subjective judgement of how alert someone feels — a person can be over the limit while feeling perfectly normal, which is exactly why the rule does not let feelings substitute for the actual level in the body. The option blaming a missed large meal is wrong because food slows absorption but does not change the Code's underlying point about lingering alcohol from the night before; the rule's advice turns on not drinking at all before driving, not on pairing alcohol with a bigger meal to make it safe.

Source: The Highway Code, Rule 95 (GOV.UK)

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Rule 91 treats heavy eyelids and slowed reactions as warning signs of fatigue that call for an immediate response: leave the road at the next safe place, such as a service area or exit, and the rule names a caffeinated drink combined with a short nap of around 15 minutes as the most effective temporary countermeasure, while stressing this is a stop-gap and not a substitute for proper rest. The option about opening a window, cooling the car, or turning up the radio is wrong because the Code is explicit that none of these measures actually restore alertness, despite being a common belief; they do not address the underlying fatigue. The option about stopping on the hard shoulder is wrong because the Code specifically rules out the hard shoulder as a rest location, since it carries serious danger from fast-moving passing traffic — recognising drowsiness means leaving the motorway at an exit or services, not stopping on its margin. The option about continuing because breaks were already planned in advance is wrong because a pre-set schedule does not override the need to act once warning signs actually appear; fatigue can arrive earlier than expected, and the rule's advice is to respond to the signs themselves rather than wait for a scheduled stop that may come too late.

Source: The Highway Code, Rule 91 (GOV.UK)

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Rule 149 notes that it is still likely you will be distracted by a phone conversation even when using a hands-free kit, so the Code's advice is to avoid using a phone while driving at all, not just to avoid holding one. The option claiming hands-free use carries no additional risk is wrong because the rule's concern is the mental distraction of holding a conversation while driving, not the physical act of holding the handset — keeping both hands on the wheel does not remove that distraction. The option allowing calls under two minutes is wrong because the Code draws no such time-based exception; a short call can still pull attention away from the road at the exact moment a hazard appears, so duration is not the deciding factor. The option claiming hands-free kits are illegal to fit is wrong because fitting or owning a hands-free kit is not prohibited; the legal ban targets holding and operating a handheld device while driving, and the guidance to avoid hands-free calls is advisory best practice for safety, not a separate ban on the equipment itself.

Source: The Highway Code, Rule 149 (GOV.UK)

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Rule 148 lists eating and drinking among the things that take attention away from the road, alongside loud music, reading maps, smoking, and arguing with passengers or other road users, and advises against doing any of them while driving. The option allowing brief one-handed eating is wrong because the rule's concern is the mental distraction of the activity itself, not how many hands remain on the wheel at a given moment — reducing steering input does not remove the attention the task pulls away from watching the road. The option claiming eating is not mentioned anywhere in the Code's advice is wrong because it is named specifically, alongside the other listed distractions, rather than left out. The option about food crumbs interfering with the pedals is wrong because that is not the reasoning the Code gives; the rule is concerned with distraction from the driving task, not with physical debris around the pedals, so this answer misattributes the actual hazard being addressed.

Source: The Highway Code, Rule 148 (GOV.UK)

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Rule 150 warns that systems such as cruise control and lane-keeping assist are aids that support the driver, not substitutes for attention, and that the driver must remain in proper control of the vehicle and continue watching the road at all times while they are engaged. The option claiming you no longer need to monitor the road once the system is engaged is wrong because it describes the kind of fully self-driving vehicle the Code treats as a separate, distinct category — an ordinary cruise control or lane-keeping aid only assists a driver who is still actively in charge, and assuming otherwise is exactly the misunderstanding the rule warns against. The option restricting these systems to motorways only is wrong because the Code attaches no such road-type condition to them; the requirement to stay attentive applies wherever the systems are used, not just on one category of road. The option claiming these systems are prohibited from being fitted is wrong because the Code does not ban fitting driver assistance technology to vehicles; its guidance is about how a driver must behave once such systems are in use, not about whether they may be installed at all.

Source: The Highway Code, Rule 150 (GOV.UK)