Tell the cop you'd be happy to do a 'favor' for him in return.
From Create Your Own Story
The cop's eyes lock with yours in the rearview mirror, and he's quiet for a few blocks. You feel your stomach tighten - you may have just made a serious mistake. He watches you for a while, then takes a deep breath.
"What kind of favor?" he asks. His voice is very even - maybe even just a bit angry.
You bite your lip, thinking of what to say.
You say...