2011 Chevrolet Suburban 1500 Owner's Manual - Page 292

9-8 . Driving and Operating 3. After the bolts are removed and the snaps are disengaged, push forward on the air dam until it is free. Notice: Operating your vehicle for extended periods without the front fascia lower air dam installed can cause improper air flow to the engine. Always be sure to replace the front fascia air dam when you are finished off-road driving. After off-roading, be sure to reinstall the air dam: 1. Line up the snaps and push the air dam rearward to engage the snaps. 2. Install the two outboard bolts. Make sure all underbody shields, if the vehicle has them, are properly attached. Know the local laws that apply to off-roading where you will be driving or check with law enforcement people in the area. Be sure to get the necessary permission if you will be on private land. Loading Your Vehicle for Off-Road Driving . { WARNING . . If you think you will need some more ground clearance at the front of your vehicle, you can remove the front fascia lower air dam. The air dam is held in place by two bolts and 10 snaps accessible from underneath the front fascia. To remove the air dam: 1. Remove the two outboard air dam bolts. 2. With a flat‐blade tool, disengage the snaps. Cargo on the load floor piled higher than the seatbacks can be thrown forward during a sudden stop. You or your passengers could be injured. Keep cargo below the top of the seatbacks. Unsecured cargo on the load floor can be tossed about when driving over rough terrain. You or your passengers can be struck by flying objects. Secure the cargo properly. (Continued) .