McLaren Super Series Owner's Handbook Manual page 254

Maintaining Your McLaren
Manual Unlocking and Opening
2. Release and remove the mechanical key
from the key fob.
6.30
3. Insert the mechanical key into the manual
door release key holder.
See Manual door release key holder, page
6.15
4. Insert the mechanical key into the lock and,
turn the key anti-clockwise until mechanical
resistance is preventing full release of the
door.
5. Apply pressure to the latch area of the door
(to counteract pressure of the door seals),
and turn the key further to release the door.