Here is how the manual instructs officers to answer questions about the breath test machine, the Intoxilyzer 5000.Bottom line? Don't take the breath test (or blood test for that matter). Politely, yet firmly, inform the officer soliciting a sample you want to counsel with an attorney before submitting to any test. The officer will, of course, reject your entreaty and note your refusal to submit to the taking of a sample. Even though your refusal can be used as evidence against you, we'd rather explain a refusal than a .250.
From the manual"You are not required to know, and in fact know nothing, about the Intoxilyzer 5000, or your jurisdiction breath test instrument, its internal workings or anything other than how to operate it and take a breath sample from a defendant.... Never testify to its internal workings, or the defense attorney will discredit you and make you out to be a "thinks-he-knows-it-all who really knows nothing."
A typical breath test room contains the officer and the DWI suspect. That means NO ONE in the breath machine room knows how the Intoxilyzer works!! Another reason why you should have the right to counsel before BAC testing.
The best advice? Don't drink and drive at all. Stay home. Call a cab. Be safe.