Warning
If a floor mat is the wrong size or is not properly installed, it can interfere with the pedals.
Interference with the pedals can cause unintended acceleration and/or increased stopping distance which can cause a crash and injury. Make sure the floor mat does not interfere with the pedals.
Use the following guidelines for proper floor mat usage:
Removing and Replacing the Floor Mats
Pull up on the rear of the floor mat to unlock each retainer and remove.

Reinstall by lining up the floor mat retainer openings over the carpet retainers and snap into position.
Make sure the floor mat is properly secured in place.
Verify the floor mat does not interfere with the pedals.
Instrument Panel, Leather, Vinyl, Other Plastic Surfaces, Low Gloss Paint Surfaces
and Natural Open Pore Wood SurfacesLeaving the Vehicle with the Engine Running (Automatic Transmission)
Warning
It can be dangerous to leave the vehicle with the engine running.
It could overheat and catch fire.
It is dangerous to get out of the vehicle if the shift lever is
not fully in P (Park) with the parking brake firmly set. The vehicle can roll.
Do not leave the vehicle when the engine is ...
Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying General Motors.
If NHTSA receives similar complaints, it may open an investig ...
Shifting out of Park
This vehicle is equipped with a shift lock control. The shift lock control is
designed to:
Prevent ignition key removal unless the shift lever is in P (Park) with
the shift lever button fully released.
Prevent movement of the shift lever out of P (Park) unless the ignition
is in ON/RUN ...