Alternatively, from inside a vehicle’s Condition Report:

Your watchlisted vehicles are accessible from My ACV > Saved in the left sidebar of the Marketplace. From there you can place bids, set proxy bids, or remove vehicles.

Watchlisted vehicles appear with a filled heart icon anywhere they appear in the Marketplace. You will not receive automatic notifications for watchlisted vehicles unless you also set a Saved Search that matches the vehicle.
Need more help? Visit our Support Center or call 1-800-553-4070. Phone support is available Monday-Friday 9am-10pm ET and Saturday 9am-2pm ET.