> The roadside test is basically a test to see if you are a moron dumb enough to consent to it.
It's "voluntary" in Germany as well both for alcohol and other drugs, but if you refuse it the cops can and will use every avenue they can to make your life absolutely fucking miserable, and there are a looooot of ways they can abuse.
Especially if you are in the proximity of a highway or important federal road, they can pull off the full "border control checkpoint" under Schengen laws.
Exactly. The test is structured to let the officer use tricks of body language and inference write a police report that makes you seem falling down drunk despite you acing the test.
It's "voluntary" in Germany as well both for alcohol and other drugs, but if you refuse it the cops can and will use every avenue they can to make your life absolutely fucking miserable, and there are a looooot of ways they can abuse.
Especially if you are in the proximity of a highway or important federal road, they can pull off the full "border control checkpoint" under Schengen laws.