First
Pull over safely. Turn off the engine. Keep hands visible on the wheel. Stay calm.
Say
“I am invoking my right to remain silent. I do not consent to any searches.”
You must provide
Driver’s license, registration, and proof of insurance if driving. Passengers do not have to show ID in most states.
Do NOT
Consent to searches of your car · Answer questions about immigration status · Lie · Reach for anything without saying what you're doing first
At a CBP checkpoint
CBP checkpoints within 100 miles of the border: agents may ask about citizenship. You may decline to answer. They may detain you briefly. Do not consent to searches.
Source
ACLU Know Your Rights · CBP checkpoint guidance · Updated 2026 · Not legal advice