See also:

Accessories and Modifications
When you add non-GM accessories to your vehicle they can affect your vehicle’s performance and safety, including such things as, airbags, braking, stability, ride and handling, emissions systems, ...

Head Restraint Adjustment
Do not drive until the head restraints for all occupants are installed and adjusted properly. For more information see Head Restraints. ...

Speed Variable Assist Steering
Some vehicles have a steering system that varies the amount of effort required to steer the vehicle in relation to the speed of the vehicle. The amount of steering effort required is less at slower s ...