Mitsubishi LANCER Owner's Manual page 248

To increase the set speed
There are 2 ways to increase the set speed.
"ACC RES" switch
If you press and hold down the "ACC RES" switch (C), the
speed will gradually increase. When you reach your desired
speed, release the switch. Your cruising speed is now set.
Type 1
Type 2
To increase the speed in small amounts, press the "ACC RES"
switch (C) for less than 1 second and release it. Every time you
press the "ACC RES" switch (C), the speed will increase by
approximately 1 mph (1.6 km/h).
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Accelerator pedal
Use the accelerator pedal to reach your desired speed. Press the
"COAST SET" switch (B) and release the switch momentarily
to set a new desired cruising speed.
Features and controls
Type 1
Type 2
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