McLaren P1 Owner's Handbook Manual page 16

BEFORE YOU DRIVE
OPENING AND CLOSING
3. Press the safety catch release button.
Lift the lid to gain access to the luggage
compartment.
1.10
Closing
WARNING: Ensure that no body part or
item can be trapped as you close the
luggage compartment.
1. Pull the luggage compartment lid down
firmly and ensure that it is latched
securely.
NOTE: If the vehicle had previously been
locked, it will still be locked and the
direction indicators will flash as the lid
closes.
NOTE: Do not leave the key fob in the
luggage compartment, as the vehicle
may lock, and you may be locked out of
the vehicle.
2. The luggage compartment will become
alarmed as soon as the luggage
compartment lid is closed.