Don't answer any questions, other than name and address.
Don't answer questions about drinking.
Don't perform any roadside tests.
Don't agree to have your eyes tested.
Don't agree to blow into a handheld breath tester.
Do request to contact your attorney immediately.
Do request privacy while you are calling your lawyer.
Do exercise your right to remain silent.
Do consent to a breath or blood test, in most cases (ie. if you are arrested for DUI and the officer reads you the implied consent affidavit). Failure to consent can result in a 12–month license suspension.
ALWAYS BE POLITE and produce requested documents.