2004 Buick Rendezvous speed control breaking

2004 BUICK RENDEZVOUS
42,670 MILES • 6 CYL • 2WD • AUTOMATIC
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JOSEPH MEHURON
  • MEMBER
  • 1 POST
when going down hill the car speed up pass the point set by the speed controler (sc) i have to manual break (foot pedal) which drops out SC
Nov 18, 2008 at 10:09 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Hi:
It's normal for that to happen. The speed control tells the engine how fast the car has to go, but it doesn't apply the brakes to slow it down. And if you car is an automatic, you're free wheeling down hill.

Joe
Dec 5, 2008 at 11:19 PM
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