Which two statements about the ban on driving when overtired etc. and the ban on interfering with traffic enforcement equipment are correct? Select TWO

1. ①You must not drive a motor vehicle when overwork or illness may prevent you from driving normally.
2. ②If you have not drunk alcohol, you are not banned from driving even when drugs make normal driving difficult.
3. ③No one may make, sell or install on a vehicle a device that interferes with traffic enforcement equipment in order to evade enforcement.
4. ④Even if a police officer suspects drug-impaired driving and requests a drug test, the driver need not comply.