Riders in a staggered formation are passing a car on the left. After the lead rider passes, they should:

After the lead rider in a group passes a car on the left, they should move into the left portion of their original lane and maintain passing speed to open up space in front of the car for the next rider in the group. Moving into the right portion of the lane is not a safe option because doing so may encourage the next rider to pass before there is room to do so safely.