Note: You can’t turn off airflow to all 3 locations. If you’ve pressed multiple buttons and want to turn off airflow at one of the locations, simply press the button of the location you want shut off. They act like simple on/off buttons, so you can press an unlit button, for example, and it will light up to indicate that air is flowing to that location. You can press any or all of the 3 Airflow Control Buttons to precisely direct airflow to one or more of these areas. Dashboard Vent (icon shows an arrow to the torso/head): The air that comes out of the dashboard vents.Floor (icon shows an arrow to the feet/legs): Sends airflow out of the vents at the floor.Windshield (icon shows an arrow to the windshield): Sends airflow out of the vents near the windshield.When lit, air is directed through both the floor and windshield defrost ventsįor the GMC Sierra, a more flexible air distribution selection scheme allows you to pick a wider range of air delivery options using 3 buttons that are used in combination. Defog: Press the button with an icon with arrows pointing to the windshield and arrow pointing to the legs and feet.When lit, air is directed through both the floor and dashboard vents. Bi-Level: Press the button with an icon with arrows pointing towards both the feet and torso.Floor: Press the button showing an icon pointing towards the legs and feet, and air will be primarily routed through vents placed near the floor of your vehicle.Vent: Press the button showing an icon pointing towards the upper torso, and air will be routed through vents on the dashboard/ instrument panel.To select a function, simply press a button and an indicator light will come on once one of these modes is selected. You can control where that air is delivered through buttons on your dashboard. A general rule of thumb is that if the chip is larger than a quarter or a crack is longer than 3 inches, then you should have the vans window replaced.Your climate control functions by blowing heated or cooled air through a system of ducts within the vehicle’s interior. When should you repair or replace your Chevrolet vans windows?ĭamage generally comes in two forms, chips and cracks. This stress resulting from the temperature change increases the strength of the window, allowing it to easily handle the stress of normal driving. This is because the cooling process causes the outer layers of glass to cool quicker than the interior. Taking heated glass and cooling it quickly makes tempered glass which is several times stronger than normal glass. The side and rear windows in the Chevrolet Express 3500 are made from a different process to give them the strength to resist the natural shifting around a vehicle does when in motion.The PVB also reflects 95% of the suns UV rays giving an added layer of protection. It is due to this bond that shards of glass do not fly around after impact. The adhesive nature of PVB spreads out the force of impact creating the telltale spider web cracks you see in windshields involved in an accident. Through a process involving heat and pressure the three sheets are fused together creating a structure that is highly resistant to impact. It is made by taking two sheets of glass and compressing a sheet of polyvinyl butyral (PVB) between them. The windshield of your Chevrolet Express 3500 is made from a tripartite structure called laminated glass. There are two specific forms of safety glass used in your vehicle to address these concerns. The two goals in developing adequate safety glass for your Chevrolet van are to protect passengers from injury and to maintain the structure of the vehicle. The first is from any form of impact, whether it is from another vehicle or foreign object, and the second is from the stress vehicle windows will endure from everyday driving. The main difference between auto glass and other types is the need to take two main factors into account. The Chevrolet Express 3500 model uses safety glass as opposed to the kind of glass you find in house windows or the mug in your cupboard. What are the different kinds of auto glass? If your Chevrolet vans glass is in need of attention, here is some valuable information. The risk to you from potential hazards on the road can be significantly reduced with this valuable safety feature for your car. When driving around your Chevrolet Express 3500 in everyday life, reliable auto glass is needed to give you adequate protection.
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