To secure your reservation you would need to make a (partial) payment. As long as we haven’t received any payments, other travellers are still able to book the same vehicle for the same period.
If your trip starts within the next 8 weeks, you would need to pay the full amount to lock-in the reservation. If the rental starts in 8+ weeks, you can make a partial payment. The partial payment is 50% up to a maximum of $600.