How do you loosen straps on a Graco car seat?

How do you adjust the straps on a Graco car seat?

How do I loosen tether straps?

How do you make car seat straps looser?

How do you loosen the Graco 2 fit straps?

How do you loosen the straps on a Graco Contender 65?

To loosen the straps of the Graco Contender 65 car seat, lift up the harness release lever and pull out on the straps above the chest clip simultaneously (please see image below taken from the Instruction Manual).