Very important to know that horsepower.....
Trunk lock, if vacuum element is working, is unlocked at horizontal key position if car is unlocked. Locked if car is locked.
Turning key to right with keyway vertical locks the trunk regardless of door locks.
Turn key to left as far as possible {ccw}, then push key/lock in and lift trunk.

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John