2010 Chevrolet Aveo Owner's Manual - Page 256

To inspect or replace the air cleaner/filter: { WARNING: Operating the engine with the air cleaner/filter off can cause you or others to be burned. The air cleaner not only cleans the air; it helps to stop flames if the engine backfires. Use caution when working on the engine and do not drive with the air cleaner/filter off. Notice: If the air cleaner/filter is off, dirt can easily get into the engine, which could damage it. Always have the air cleaner/filter in place when you are driving. 1. Remove the screws and lift off the cover. 2. Inspect or replace the engine air cleaner/filter. 3. Put the cover back on tightly and tighten the screws. See Scheduled Maintenance on page 7‑3 for replacement intervals. Automatic Transmission Fluid When to Check Automatic Transmission Fluid Check the automatic transmission fluid level at least twice a year. Add fluid if needed. See Scheduled Maintenance on page 7‑3. 6-20