Gas pedal and key not help. In my 2011 avio to turn off the engine light. 
SOURCE: hold light blinking, check engine light on, engine slows down
check tps sensor (throttle position sensor in backside of the throttle cable) and map sensor (manifold absolute pressure on front little 1 inch sensor with vacuum line) make sure there plugged in. the ecm (engine control module driver side inner fender) and tcm (transmission control module under dash) both need the data to know when to upshift and increase fuel/air. Otherwise the computer runs default values and guesses off of other sensors giving poor performance. also disconnect battery for 15 min. usually resets aveo service lights if you dont have a scanner.
SOURCE: 2004 Chevrolet Aveo Brake lights not working
A couple of days ago my brake lights on my 2004 Chevy Aveo wouldn't work, so I attempted to remove the lamp covers to check the bulbs. Also, before this my shifter would get stuck in park and could only be released by pressing the unlock gadget next to the shifter. Back to the brakes...Well, you open the trunk and remove the two screws just like the manual said, but it was very hard to pull off. There's 2 prongs holding the other half of the light on. The lamp will come loose by prying it (very hard). You think the cover will break, but it'll come loose. The bulbs were all OK.
After much frustration and internet info, the STOP LAMP SWITCH, GM#96436331 ($9.30 at Chevy dealer), which is located under the dash and has contact with the brake pedal, was defective. Once replaced, both my brake lights AND SHIFTING problems were cured. So if the brake lights suddenly don't work or you have problems getting the vehicle out of park, check the switch by pushing the prong (end that has contact with brake) of the switch in and out. If it doesn't retract smoothly...that's the PROBLEM. Good Luck.
SOURCE: remove a cd player from a Chevrolet Aveo
on the 08 aveo you simply remove the trim pieces on the left and right of the cd player there you will find 2 mounting screws per side undo cd player slides rate out i replaced mine with 2 din touch screen dvd w\ gps 2 10 inch subs 1000watt amp in band pass audio box and 600 watt amp and 2 5 1\2 inch lanzars lotta boon im my vroom vroom
SOURCE: Chevy aveo error codes. I have a check engine light on.code p2135
P2135 Throttle Position Sensor (TPS) Property Malfunction, remember this is not a car that is built by GM it is a Korean import.
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