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Home >> Buick >> 2001 >> Park Avenue Base >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Trouble Shooting >> System Check

System Check

  1. Drive vehicle at speeds greater than 25 MPH. Place cruise control main switch to ON position. Depress SET button once and release. Remove foot from accelerator pedal. Vehicle should maintain set speed. If vehicle does not maintain speed, go to TEST C: CRUISE CONTROL INOPERATIVE/MALFUNCTIONING  or TEST D: CRUISE CONTROL INOPERATIVE/MALFUNCTIONING (USING TESTER J42958)  under SYSTEM TESTS.
  2. Hold slider switch in R/A position until vehicle speed increases 4-5 MPH. Vehicle should accelerate and maintain new set speed. Depress SET button until vehicle speed decreases 4-5 MPH. Vehicle should decelerate and maintain new set speed. If vehicle does not operate as specified, go to TEST C: CRUISE CONTROL INOPERATIVE/MALFUNCTIONING  or TEST D: CRUISE CONTROL INOPERATIVE/MALFUNCTIONING (USING TESTER J42958)  under SYSTEM TESTS.
  3. Depress brake pedal slightly. Cruise control system should disengage. Depress slider switch to R/A position once and release. Vehicle should accelerate and maintain previously set speed. Quickly depress and release (tap-up) R/A switch. Vehicle speed should increase one MPH. Quickly depress and release (tap-down) SET button. Vehicle speed should decrease one MPH. If vehicle does not operate as specified, go to TEST C: CRUISE CONTROL INOPERATIVE/MALFUNCTIONING  or TEST D: CRUISE CONTROL INOPERATIVE/MALFUNCTIONING (USING TESTER J42958)  under SYSTEM TESTS.
  4. Simultaneously depress SET button and R/A switch. Cruise control system should disengage, but retain previously set speed in memory. Place cruise control main switch in OFF position. Cruise control system should disengage, and set speed should be erased from memory.
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