China Driving Subject 4 (Small Car) common mistakes
China Driving Subject 4 (Small Car) · Understand the traps and how to avoid them.
Choosing the vague, polite-sounding option (slow down, be careful, yield a little) over the legally precise action when a question describes a hazard on a two-lane road, such as slowing and sounding the horn instead of reducing speed and keeping a safe following distance.
Candidates treat the ethics-flavoured wording as the 'safe' answer, but Subject 4 items usually test a specific operational rule, and the option that names the concrete action (speed reduction, following distance, lane position) is the intended one.
What to do instead
Before answering, identify what the stem is actually asking: a prohibition, a required action, or a best practice. Eliminate options that only express attitude ('be polite', 'drive carefully') and keep the one that states a measurable or procedural action.
Treating a flashing yellow light or a flashing red light as a normal green and proceeding without slowing or stopping.
Candidates memorise 'yellow = caution, red = stop' for solid signals and then apply the same shortcut to flashing signals, forgetting that flashing yellow means proceed with caution after slowing, while flashing red requires a full stop and yield before proceeding.
What to do instead
Learn the four-state grid: solid red = stop; solid yellow = stop unless unsafe to do so; flashing yellow = slow and proceed cautiously; flashing red = stop, yield, then proceed. Drill the flashing pair specifically until it is automatic.
Answering that the driver may leave the scene after a minor collision because no one was injured, instead of stopping, protecting the scene, and exchanging information or calling police as required.
Candidates conflate 'minor damage' with 'no obligation', and they underestimate how strictly the law treats leaving the scene (hit-and-run liability) even when injuries are absent.
What to do instead
Fix the rule in memory: any traffic accident requires the driver to stop immediately, protect the scene, and either resolve it under the simplified procedure or report it. Leaving is a separate and more serious offence. For each accident scenario, first ask 'did the driver stop?'
Confusing the penalty points and licence consequences for drink-driving, speeding, and cumulative points, for example assuming a single 12-point accumulation is needed before any licence action, or mixing up the thresholds for suspended licences.
The numbers are similar and change with licence type and blood-alcohol level; candidates learn one figure and apply it to every scenario instead of distinguishing the specific violation named in the stem.
What to do instead
Build a small comparison table by violation type: drink-driving thresholds and consequences, point values for common offences, and the cumulative-points rule. Read the stem to identify the exact violation before recalling the number.
Reading a road-marking question from memory of the general shape rather than the stated colour and line style, so a yellow solid line, a white dashed line, and a yellow dashed line are all treated as 'a line down the middle'.
Markings are usually learned from pictures, and candidates remember the picture rather than the rule; when the item is described in words, the colour (white vs yellow) and style (solid vs dashed) are the only cues, and they are missed.
What to do instead
Learn markings by attribute pairs: colour first (white separates traffic in the same direction or marks the edge; yellow separates opposing traffic or marks the centre), then style (solid = do not cross; dashed = may cross when safe). Recite the rule aloud for each combination.
Choosing 'apply the brakes hard immediately' as the response to a tyre blowout at speed or to a skid on a wet road, instead of holding the wheel steady, easing off the accelerator, and steering smoothly.
Braking feels like the intuitive emergency response, and candidates do not distinguish loss-of-control scenarios from ordinary stopping scenarios, so they pick the most forceful-sounding option.
What to do instead
Group emergency items by failure type. For a blowout: grip the wheel, release the accelerator, avoid hard braking, slow gradually and pull over. For a skid: ease off the accelerator, steer in the direction you want to go, avoid sudden braking. Practise matching the failure to the response, not the intensity of the wording.
Skipping the pre-drive check items and answering that a warning light, a soft brake pedal, or a low tyre is something to deal with 'after arriving', rather than stopping to check before continuing.
Candidates treat maintenance questions as trivia about parts and do not connect a symptom to the correct immediate action, so they pick the option that keeps the trip going.
What to do instead
For every symptom question, apply the rule 'safety-critical symptom = stop and check before driving'. Learn which systems are safety-critical (brakes, steering, tyres, lights) and which warning lights require an immediate stop, such as the brake system and oil pressure lights.
Ignoring the blind-spot and mirror-check steps in a lane-change or overtaking scenario, choosing the option that describes signalling and moving over without a shoulder check.
Candidates focus on the signal and the manoeuvre because those are the visible actions, and they forget that the observation sequence (mirror, signal, shoulder check) is what the item is testing.
What to do instead
Memorise the lane-change sequence as a fixed chain: mirrors, signal, shoulder check, then move. When an option omits the observation step, eliminate it even if the rest of the wording sounds correct.
Treating 'courtesy' items as free points and picking the most apologetic or self-blaming option, when the correct answer is a specific, safe behaviour such as maintaining distance from an aggressive driver or not retaliating when cut off.
The ethics domain looks subjective, so candidates answer by social instinct rather than by the defensive-driving principle behind the item, and they choose passive wording over the action that actually reduces risk.
What to do instead
Reframe ethics items as risk-management items: the right answer is the one that lowers risk and avoids escalation. Prefer options about increasing distance, not reacting, and yielding when it prevents conflict over options about feeling, blaming, or proving a point.
Rushing the final items and changing correct answers on review without a specific reason, or misreading negative stems such as 'which of the following is NOT correct' and selecting the true statement.
Subject 4 is scored on a large item bank with a pass threshold, so a few avoidable misreads decide the result; candidates under time pressure skim the stem and anchor on the first familiar option.
What to do instead
Underline the negative word in every stem before reading the options. Do not change an answer unless you can name the fact you recalled wrongly. Flag uncertain items and return to them only after finishing, and rehearse the exam's time budget so the last items are not rushed.