Yes, because all drivers give implied consent to the test upon receiving their driver’s license. Your license may be suspended or revoked if you refuse a test. In addition, you can still be charged with and convicted of DUI/DWI based on other evidence, such as the arresting officer’s testimony about what he or she observed of your driving or demeanor that shows your driving ability was impaired due to intoxication. If you submit to a field sobriety test, breathalyzer, or blood test, it may be possible to challenge the reliability and admissibility of that evidence later. It is never a good idea to refuse the test because you are giving up any defense that you may have had by refusing.