Reference
Traffic sign library
Revisit warning, regulatory, and directional signs that commonly appear in theory prep.
Why the correct answer works:
What this question teaches
A leaky radiator will not have enough coolant to cool the engine. Low engine oil cannot help to reduce friction caused by engine heat thus engine overheat.
Road Knowledge
Theory test guide
Review test order, PDL timing, and study structure before your next practice run.
Penalties
Demerit points (DIPS)
Pair rule knowledge with the thresholds and offence types that matter to real drivers.