You've got all the hiking gear but your car wont start so you might have to head to the main road to do this for a ride?\nOptions:\n- waving thumb in air\n- hitting the next vehicle\n- plan\n- special boots\n- adventure
Think hard. Detailed solution:
waving thumb in air
Waving thumb in air means to ask help or lift from another person.

Asking for on road assistance is also signed by waving thumb in air.

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So, the final answer is waving thumb in air