Vehicle Questions and Answers
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When the "If" message appears on the information display of your Chevy Sonic, it indicates that the tire pressure is low and needs attention. It's important to check your tire air pressure monthly using a reliable gauge. Low tire pressure can be hazardous and may cause a tire blowout. Low pressure can be due to a leak or the natural loss of pressure over time. When the air pressure is too low, the tire's sidewalls flex more, leading to heat buildup within the tire. Conversely, excess air pressure can deform the tire shape, causing reduced traction and increased wear at the center of the tire. Depending on the situation, overinflated tires may wear out faster. An overinflated tire will bulge at the center of the tread.
When the "lf" message appears on your Chevy Sonic's display, it indicates that the tire pressure is low and needs attention.
You can find the tire pressure details on the sticker located on the driver's side door of the vehicle.
How much air should be in a Chevy Sonic tire?