2007 Holden Vectra convertible hard top won't open
Asked by Benjamin
Why won't the convertible hard top on my 2007 Holden Vectra open?
Answered by CarsGuide
4 Jul 2024Folding metal convertible roofs are a pretty complex piece of gear, and there’s a lot that can go wrong with them. Often, however, it can be a really simple fix.
These folding tops feature lots of interlocks that will prevent the roof opening if the car thinks there’s something amiss. That could be something like a switch that prevents opening if the windows haven’t wound themselves down a few millimetres for clearance. In some cars there’s also a switch that tells the car if the main clasp has been unfastened, and in some cases there’s another that reports back to the car that the hand-brake is, indeed, applied and it’s safe to begin lowering the roof.
These protocols and protections vary from car to car, but in the case of, say, the park-brake switch. The problem can be as simple as a sticky switch in the park-brake assembly that is not triggering. And without that tiny piece of information, the car will decide it’s not safe to open the roof. Check the dashboard to see if the park-brake warning light illuminates when you apply the brake.
So start with all those little switches and clips and make sure the correct information is getting to the computer. If that doesn’t throw up a solution, you need to start investigating things like the electric motor and solenoids that physically operate the roof.
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