NAPA Headquarters
345 South 500 East - American Fork, Utah 84003

General / Misc

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Mirror, Mirror (Door Mirror Problems)

You've probably seen them lying around at the side of the road: someone's outside rearview mirror that's been knocked off by a driver’s not-so-perfect driving.  And you realize the person w...
Published on: Jun 15, 2025

The Foggiest Idea (Fogged Windows in Cold Weather)

In cold weather, you may notice your windows fogging up. Then you can't see where you're going, and suddenly you and those around you are in danger. So, what causes your windows to fog up in cold weat...
Published on: Jun 01, 2025

The 20.9 Percent Factor (Oxygen Sensor)

Do you know what gas makes up 20.9% of the air we breathe? It's oxygen.   Oxygen is an important part of the combustion process that enables your engine to make power.  The amount of ox...
Published on: Jan 19, 2025

Distracted Driving

When asked, most people think they are good at multi-tasking.  Scientific studies, however, reveal that only around 2% of the population can truly demonstrate the capacity to effectively multi-ta...
Published on: Oct 29, 2023

Finding Vehicle Recall Information in American Fork

No matter how well they’re made, vehicles will have design or manufacturing problems.  And when the government thinks a problem is really serious, they require the manufacturer to issue a r...
Published on: Oct 09, 2023

No Two Are Alike (Variations in Vehicle Repair Costs)

You've just taken your vehicle in to figure out why the air conditioning isn't working.  You remember a friend of yours just had to get a new evaporator, and your service advisor has told you it'...
Published on: Jun 18, 2023

Supplemental Restraint System – Airbags

After they’ve had an accident, some people wonder why their airbags didn't go off. Movies and television lead us to believe that airbags go off with the slightest bump. The reality is much more ...
Published on: May 24, 2023

Cold Facts about Heaters

Brrrr.  It's cold outside.  And if your vehicle's heater isn't working, then it's cold inside too.  No fun – and potentially dangerous: heat is needed to defrost your windshield.&...
Published on: Feb 26, 2023