The Car Czar Blog
Maintenance tips, repair cost guidance, and advice to help you keep your car running well and worth more.
Is Your Dashboard MPG Accurate? How to Check It, and What a Falling MPG Means
Is your dashboard MPG accurate? What AAA's lab test found, how to check real MPG at the pump, and what a sudden or gradual MPG drop may be telling you. more
Free Car Seat Checks: What Technicians Look For and How to Find One Near You
It's Child Passenger Safety Week, and Saturday, Sept 26 is National Seat Check Saturday. Why a check matters, what happens at one, five checks you can do tonight, and how to find a station near you. more
How Often Should You Check Your Engine Oil? Why Keeping It in Range Matters
How often should you check your engine oil? Learn why checking oil monthly—or more often—can help prevent engine wear, overheating, low oil pressure, and costly engine damage. more
Where to Dispose of Used Oil and Other Automotive Fluids
Dumping used oil is illegal, and one gallon can contaminate a million gallons of water. Here's where to take it instead — most options are free. more
Synthetic vs. Conventional Oil — And Why Your Manual and Mechanic Disagree
Your manual says 10,000 miles. Your mechanic says 5,000. Here's what's actually behind that gap — plus everything else worth knowing about motor oil. more
The Free Fix for High Gas Prices: Check Your Tire Pressure
Underinflated tires are quietly costing U.S. drivers $18.6 billion a year in wasted gas. Here's the fix that costs nothing and takes under a minute. more
What Your Service Records Are Actually Worth
A buyer, a warranty administrator and a judge have one thing in common: to all of them, an undocumented repair did not happen. Here's what the evidence shows, and the seven fields a record needs to survive them. more
Fourteen Oil Changes Weren't Enough
He had fourteen oil changes on file, inside an active 100,000-mile powertrain warranty. Kia said no anyway. Here's the detail that sank the claim — and the seven fields every service record needs. more
Nitrogen vs. Air in Your Tires: What the Green Cap Is Actually Worth
Nitrogen holds pressure better than air — by 1.3 psi over a full year, according to a 31-tire test. Here's what that's actually worth against tire life, fuel economy, and a 40-degree overnight temperature drop, and when the green cap is worth paying for. more
The Right to Repair Your Car Just Got Real — Here's What Actually Changed
Automakers spent years locking independent shops and DIY owners out of car repairs — then asked Trump to make it permanent. Instead, he signed an order pushing the opposite direction. Here's what the "Freedom to Fix" memo actually does, and what's still an open fight in Congress. more