For Greece Category B car theory, which statement about conflicting controls is correct?

1. If controls appear to conflict, slow down, follow the clearest higher-authority control, and avoid forcing a manoeuvre.
2. The safest answer about conflicting controls is to ignore the usual priority rule.
3. The correct response for conflicting controls is mainly to use the horn and continue.
4. This topic concerns only vehicle comfort and has no safety or legal effect.