Knob Retainer
Floor mats with a knob retainer.
Removing and Replacing the Floor Mat
1. Turn the knob until it is aligned with the slot in the floor mat grommet.
2. Pull up on the floor mat.
3. Center the slot in the floor mat grommet with the knob on the floor and set into position.
4. Turn the knob until it is perpendicular to the slot in the grommet to lock the mat in place.
5. Make sure the floor mat is properly secured and verify that it does not interfere with the pedals.
See also:
When to Check
Check the tires once a month or more.
Do not forget the spare tire, if the vehicle has one.
SeeFull-Size Spare Tire on page 10‑91 for additional information. ...
Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this. ...
Chemical Paint Spotting
Airborne pollutants can fall upon and attack painted vehicle surfaces causing
blotchy, ring-shaped discolorations, and small, irregular dark spots etched into
the paint surface. ...