Mercedes-Benz SLR McLaren. Operator's Manual.

Controls in detail
Power windows
Opening the windows
Press switch 1 or 2 to the resistance
point.
The corresponding window will move
downwards until you release the
switch.
194
i
With the SmartKey in starter switch position
0 or removed from the starter
switch, the front power windows can
be operated:
until you open the driver’s or passenger
door
for at least 5 minutes
Closing the windows
Pull switch 1 or 2 to the resistance
point.
The corresponding window will move
upwards until you release the switch.
Warning! G
If you pull and hold the switch up when
closing the window, and upward movement
of the window is blocked by some obstruction
including but not limited to arms, hands,
fingers, etc., the automatic reversal will not
operate.
Fully opening the windows
(Express-open)
Press switch 1 or 2 past the resistance
point and release.
The corresponding window opens completely.
Fully closing the windows
(Express-close)
Pull switch 1 or 2 past the
resistance point and release.
The corresponding window closes
completely.
Warning! G
Driver’s door only:
If within 5 seconds you again pull the switch
past the resistance point and release, the
automatic reversal will not function.