See also:

Rear Compartment Fuse Block (CTS Wagon)
This fuse block is on the right side of the vehicle, behind the trim panel in the rear compartment. The vehicle may not be equipped with all of the fuses, relays, and features shown. ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Tire Designations
Tire Size The following is an example of a typical passenger vehicle tire size. (A) Passenger (P—Metric) Tire: The United States version of a metric tire sizing system. The letter P as ...