Cadillac 2007 XLR Owner's Manual page 127

4. Remove the wrench located inside the
passenger's side storage compartment.
Notice: Pressing the retractable hardtop
button when the hydraulic pump valve is open
could damage the pump. Always close the
hydraulic pump valve after the retractable
hardtop has been closed manually.
5. Find the hydraulic
pump under the
carpet on the rear
driver's side of
the trunk. Open the
valve by turning
it counterclockwise
with your hand
until it stops.
6. Pull both sides of the rear tonneau over-center
link down to unlock the linkage.
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