Mitsubishi LANCER Owner's Manual page 249

Features and controls
To decrease the set speed
There are 2 ways to reduce the set speed.
"COAST SET" switch
Press and hold the "COAST SET" switch (B), the speed will
slow down (coast) gradually.
When you reach your desired speed, release the "COAST
SET" switch. Your cruising speed is now set.
Type 1
3
Type 2
To decrease the speed in small amounts, press the "COAST
SET" switch (B) for less than 1 second and release it. Every
3-154
time you press the "COAST SET" switch (B), the speed will
decrease by approximately 1 mph (1.6 km/h).
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Brake pedal
Press the brake pedal (which disengages the cruise control) and
when the desired speed is reached, press the "COAST SET"
switch (B) and release the switch momentarily to set a new
desired cruise speed.
Type 1
Type 2