This is the guitar bit from the Hummer commercial.
Standard Tuning


E|------------------------------------------------------------------|
A|------------------------------------------------------------------|
D|------------------------------------------------------------------|
G|------------------------------------------------------------------|
B|---------------7--5-----------------------------------------------|
E|------0----0---------7---3---3---3---5----------------------------|

E|------------------------------------------------------------------|
A|------------------------------------------------------------------|
D|------------------------------------------------------------------|
G|------------------------------------------------------------------|
B|---------------7--5-----------------------------------------------|
E|------0----0---------7---3---3---3/5------------------------------|

E|------------------------------------------------------------------|
A|------------------------------------------------------------------|
D|------------------------------------------------------------------|
G|--------------------------------------5-5-5----2------------------|
B|---------------7--5-------------------5-5-5----2---2/19-----------|
E|------0----0---------7---3---3---3/5--3-3-3----0------------------|