Cruise control
06-29-2009, 12:35 AM
#1
Senior Member
Thread Starter
Join Date: 06-07-2009
Location: Mt. Sterling, Kentucky
Posts: 101
Cruise control
Where I live there are quite a few hills while driving on the highway. The problem I have noticed is when using cruise and going up a hill it will shift into a lower gear to make the set MPH(normal) but after clearing the hill and even going on a down slope afterwords it will continue to stay into the higher gear and the higher RPM's. This is the case most of the time and requires me to either lay down some gas to make it shift or turn cruise off and it will then shift out.
Anyone else have this issue?
Anyone else have this issue?
08-10-2012, 09:44 PM
#3
New Member
Join Date: 07-24-2012
Location: Roswell, NM
Posts: 13
cruise control
I have the exact same problem. In cruise mode if I hit a hill it downshifts but then doesn't always come out of lower gear after toping hill. Only way I can get it to go back to normal RPM is to either take it out of cruise or tap the brake to get it to come out of passing gear. Took it to the local chevy dealer and the "Service Manager" said there was no adjustment for something like that because all that is mathematical calculations entered into the vehicle's computer. I walked away shaking my head wondering how he got his job.
08-10-2012, 10:40 PM
#4
Moderator
Join Date: 01-23-2009
Location: Fredericksburg,VA
Posts: 24,738
I have the exact same problem. In cruise mode if I hit a hill it downshifts but then doesn't always come out of lower gear after toping hill. Only way I can get it to go back to normal RPM is to either take it out of cruise or tap the brake to get it to come out of passing gear. Took it to the local chevy dealer and the "Service Manager" said there was no adjustment for something like that because all that is mathematical calculations entered into the vehicle's computer. I walked away shaking my head wondering how he got his job.
08-12-2012, 06:46 AM
#6
Senior Member
Join Date: 02-06-2010
Location: Shreveport, LA
Posts: 580
Go manual!
Yet another problem, like the shifter/shifter button stuck problem that was common on the 06-07 models, that I can't have! For all its crudeness, the 5-speed was a proven design and really does have the low failure rate that GM initially claimed (see the "walk around" video on youtube) for the automatic.
With the manual, the 2.4 shows how well it pulls on hills with cruise control. I've never had the speed drop much. I presume the failure mode, on a prolonged steep hill, would be that RPM would eventually drop enough that the engine wouldn't be able to pull adequately, eventually causing it to stall at low RPM. I just haven't had it happen.
With the manual, the 2.4 shows how well it pulls on hills with cruise control. I've never had the speed drop much. I presume the failure mode, on a prolonged steep hill, would be that RPM would eventually drop enough that the engine wouldn't be able to pull adequately, eventually causing it to stall at low RPM. I just haven't had it happen.
08-16-2012, 01:42 PM
#7
Senior Member
Join Date: 11-05-2010
Location: Detroit, Michigan USA
Posts: 1,492
I have the exact same problem. In cruise mode if I hit a hill it downshifts but then doesn't always come out of lower gear after toping hill. Only way I can get it to go back to normal RPM is to either take it out of cruise or tap the brake to get it to come out of passing gear. Took it to the local chevy dealer and the "Service Manager" said there was no adjustment for something like that because all that is mathematical calculations entered into the vehicle's computer. I walked away shaking my head wondering how he got his job.
Michelle, Chevrolet Customer Service
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