No
No..maybe a oil filter wrench to remove it, but, install it by hand (HAND TIGHT)
I believe that is a 3/8 Allen key.
You need a 3/8 Allen wrench.
My 2003 Cavalier uses a 3/8 hex key. It probably should be the same.
You need a 10mm wrench.
The symbol of a wrench in a Cavalier Dash usually means service required. This generally means that the vehicle should be checked by a mechanic for an issue.
The part store that I went to did not have a specific tool to use so I purchased a 10 mm Allen wrench and had to go back to get an 8 mm wrench and it did not fit.
I believe that needs a 3/8 Allen or some models, 7mm Allen.
Not 100% sure but it sounds like it's a check engine or service soon warning light.
it's a 3/8 wrench for both 2003 and 2004 caliper.
Normal mechanics tools and a good torque wrench.
T-60