Mercedes-Benz SLR McLaren. Operator's Manual.

Switch off the ignition and remove the
SmartKey.
i
You cannot disarm the tow-away alarm
while the ignition is switched on.
Press button 1.
Indicator lamp 2 in button 1 comes
on briefly.
Exit and lock your vehicle with the
SmartKey.
The tow-away alarm remains disarmed
until you lock your vehicle again.
Canceling the alarm
To cancel the alarm:
Press button Œ or ‹ on the
SmartKey.
or
Insert the SmartKey in the starter
switch.
Safety and Security
Anti-theft systems
93