I have 2006 Chevy aveo 5 what would cause the hold light to repeatedly flash & not stop

SOURCE: 2005 Chevy Aveo - engine light and hold lights flash

I also had the same problem, But the problem lies in the switch the actual hold switch on my aveo there is a side entry way you can pop off the one on the left will give you access to the switch. what could of happen is theres is condensation in inside the switch. then when it gets cold it freezes causing the switch to malfunction. This could happen either by spilling something on the switch or using a cleaning solvent like armorall, YOU MUST BE CAREFULL WITH ANYTHING LIQUID NEAR THE HOLD SWITCH. Also the car going from warm when you drive then cold when you park it at night. My car was in warranty and remind you I came up with is the dealership had no idea what was wrong. they reseted the computer it worked for a week then was happening again. I have knoweldge in switches/wiring so i decided to check pot the switch and open it up and sure enough there was condensation took it to dealer told them to try a new switch works perfect and going on 5 months with out problems. Replacing the switch can solve pretty much every problem that is stated here i think. Also take a look at the wiring and connections for older aveos

SOURCE: Replace Fuel Filter on 2006 Chevy Aveo Hatchback

If the fuel filter is mounted inside the fuel tank at the pump it does not need replacing and is a permanent filter. All you have to do it follow the fuel lines from the fuel tank to the engine. If the filter is mounted in the fuel line you will find it.

SOURCE: 2006 chevy aveo abs break light comes on. breaks

Put a scanner on the vehicle and get the code .
Obviously its an ABS PROBLEM and not the hydralic portion of the system.
Either a wheel sensor or the module were my experiences with your problem.
Once you get the code do the repair necessary ( use a shop manual this is not a difficult procedure to do)
Good luck

SOURCE: how do you change an oxygen sensor on 2006 chevy aveo

There is a special socket for O2 sensors which allow the wires to stick out and not get twisted up. It's not expensive and available at most auto parts stores. Disconnect the sensor from the wiring harness, with the plug and then use the socket to remove and replace the new sensor. Re-connect electrical plug.

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SOURCE: 2005 chevy aveo Check engine and hold light comes on only over 60

I've become SO FAMILIAR with this problem on my own Chevy Optra. The first time it happened, I took it in to my dealer. It cost me over $100 and I SWORE it would never cost me that again. It really IS the fuel system. (Sticking with Shell's "detergent" gas doesn't help!) Simple solution is to add a bottle of fuel SYSTEM cleaner (not just the fuel injector) and the FIRST sign of trouble or with each oil change. No more problems !! "Live and learn and pass it on !"