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When the temperatures plummet, you may notice a tendency for the tire pressure light on your dashboard to illuminate. While this doesn’t usually indicate an immediately-serious issue, understanding why it happens will save you time and money, as well as keeping you safe on the roads. The guide below explains the cause of this warning sign and what professional mechanics suggest you do about it. 

Why Does the Pressure Drop During the Cold Months?

Cold weather causes the contraction of air molecules within your tires, which creates empty space. As a result, your tire pressure may drop by as much as 1-2 psi with every 10-degree decrease in temperature.

What Are the Risks of Low Pressure?

If your tires are under-inflated, it puts your vehicle at an increased risk of tread separation and blowouts. Low pressure also diminishes handling and fuel efficiency, and your tires will experience excessive wear and tear. More dangerously, they may struggle to grip the roads firmly, resulting in hydroplaning, skidding, and automobile accidents.

How Often Should I Check the Pressure?

mechanicMechanics suggest checking your tire pressure at least once per month during the cold season. It’s best to gauge them in the morning before you drive the vehicle for the day. Take a look at your owner’s manual to find out the recommended psi, and overfill them slightly to account for pressure loss. If the light remains illuminated on your dashboard, take your vehicle to a mechanic as soon as possible, since your tire may have a leak or other, more worrisome issue.

 

Drive safely throughout the changing seasons with auto maintenance and repairs from Hillis 66 Service. For over four decades, this team of ASE®-certified mechanics has provided oil changes, tire rotations, alignments, and brake repairs to the Lincoln, NE, area. Call (402) 474-2891 to ask about their services or visit them online to read satisfied customer reviews.

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