To Turn Speed Control On; To Turn Speed Control Off - Mercury 2000 Grand Marquis Owner's Manual

Controls and features
The TCIL will no longer be illuminated.
When you shut off and re-start your vehicle, the transmission will
automatically return to normal
For additional information about the gearshift lever and the transmission
control switch operation refer to the Automatic Transmission
Operation section of the Driving chapter.
SPEED CONTROL (IF EQUIPPED)

To turn speed control on

Press ON.
Vehicle speed cannot be controlled
until the vehicle is traveling at or
above 48 km/h (30 mph).
Do not use the speed control in heavy traffic or on roads that
are winding, slippery, or unpaved.
Do not shift the gearshift lever into N (Neutral) with the speed
control on.

To turn speed control off

Press OFF or
Turn off the vehicle ignition.
62
(Overdrive) mode.
ON
OFF
ON
OFF