Mitsubishi LANCER Owner's Manual page 245

Features and controls
Your speed may increase to more than the set speed on a
steep downhill. You must use the brake to control your
speed.
Cruise control switches
Type 1
3
Type 2
A- "ON OFF" switch
To activate and deactivate the cruise control function.
B- "COAST SET" switch
To reduce the set speed and to set the speed of constant-speed
driving.
3-150
C- "ACC RES" switch
To increase the set speed and to resume to the previous set
speed.
D- "CANCEL" switch
To terminate constant-speed driving.
NOTE
When operating the cruise control switches, correctly
press each cruise control switch.
The cruise control may be turned off automatically if two
or more of the cruise control switches are pressed at the
same time.