Aston Martin DB11 Owner's Handbook Manual page 208

Aeroblade Filter
Coupe Only
Over time it may become necessary to clean the filter traps for
the Aeroblade ducts.
• Press the release tab (1) down to unlatch the filter trap.
12.6
Maintenance and Technical Data
• Remove the filter trap (2) from the aeroblade duct. Clean the
filter and remove any obstructions such as leaves.
• Slide the filter trap back into the aeroblade duct making sure
the guides engage correctly.