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Home >> GMC >> 1984 >> Magnavan 5.7 L, 475/M40 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Operation >> Notes
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Cruise Control Systems: Operation: Notes

The operation of control module is controlled by mode control switches, located on end of turn signal lever. System may be disengaged by turning off cruise control switch or by activating brake or clutch (man. trans.) release switch. A vacuum release valve, vents servo to atmosphere when either pedal is depressed, allowing servo unit to quickly return to throttle idle position.