Car & Auto
Save money and extend the life of your vehicle with these car hacks.
Top Hacks in Car & Auto
Use a Windshield Sunshade in Summer to Drop Interior Temp 30°F
A $10 reflective sunshade keeps your dashboard from cracking and drops interior temp by 30-40°F.
Replace Wiper Blades Yourself and Save $30
$15-20 at Walmart vs $40-60 at the dealer for the same blades — swap in 2 minutes.
Accelerate Gently to Save 30% on Gas
Ease off the gas pedal at green lights — gentle acceleration uses 30-40% less fuel.
Check Your Oil in 2 Minutes with the Dipstick
Pull the dipstick, wipe, re-insert, pull again — read the level and color. Takes 2 minutes.
The Penny Test for Tire Tread Depth
Insert a penny head-down in the tread — see all of Lincoln's head? Your tires need replacing now.
Check Tire Pressure Monthly — It Changes with Temperature
Proper PSI saves 3% on gas, prevents blowouts, and extends tire life — check every 30 days.
Change Your Cabin Air Filter for $12 in 5 Minutes
$12 filter from Amazon vs $60 at the dealer — same part, 5-minute swap, zero tools needed.
Replace Wiper Blades Yourself and Save $30
$15-20 at Walmart vs $40-60 at the dealer for the same blades — swap in 2 minutes.
Top Off Windshield Washer Fluid — It Costs $3
A gallon of washer fluid is $3. Running empty in winter or on a bug-splattered highway is dangerous.
Learn What Your Dashboard Warning Lights Mean
A yellow light means 'check soon.' A red light means 'stop now.' Know the difference — it saves engines.
Rotate Your Tires Every 5,000-7,500 Miles
Regular rotation extends tire life 20-30% — saving $200-400 on your next set of tires.
Jump-Start a Dead Battery in 5 Minutes
Connect red to red, black to ground — a dead battery is a 5-minute fix with cables and a helper car.
Check Your Coolant Level to Prevent Overheating
2-minute coolant check prevents the $3,000-5,000 overheating repair. Look at the reservoir monthly.
Replace Engine Air Filter for Better Performance
$10 filter swap every 15,000 miles improves acceleration, MPG, and engine longevity.
Keep a Maintenance Log in Your Glove Box
A written record of all service increases resale value by 10-15% and prevents missed maintenance.
Get Free Diagnostic Code Reads at AutoZone
AutoZone reads your check engine codes for free — know what's wrong before the mechanic visit.
Change Your Own Oil and Save $40-60
$25 in supplies vs $65-85 at a shop — same quality oil change, saves $40-60 every 5,000 miles.
Accelerate Gently to Save 30% on Gas
Ease off the gas pedal at green lights — gentle acceleration uses 30-40% less fuel.
Use Cruise Control on Highways to Save 7-14%
Constant speed = constant fuel use. Your foot naturally varies 5-10 mph, wasting gas.
Keep Tires Properly Inflated for 3% Better MPG
Every 1 PSI low costs 0.2% fuel efficiency. Most people are 5-10 PSI low = 1-3% wasted fuel.
Remove Excess Weight from Your Trunk
Every 100 lbs of extra weight costs 1-2% fuel economy. Clean out your trunk.
Don't Idle for More Than 30 Seconds — Turn It Off
Idling burns 0.5-1 gallon per hour. If stopped more than 30 seconds, turn the engine off.
Plan Errands in One Loop Trip Instead of Multiple
One efficient loop saves fuel vs multiple cold starts. Combine all errands into one trip.
Use GasBuddy to Find the Cheapest Gas Near You
Gas prices vary $0.20-0.50 between stations on the same road. GasBuddy finds the cheapest.
Fill Up When Half Full Instead of Near Empty
Filling at half tank instead of near-empty gives you flexibility to wait for cheap prices.
Windows Down Below 40 MPH, AC Above 40 MPH
Windows create drag at high speed. AC creates engine load at low speed. Each has its efficient zone.
Use the Correct Oil Grade Specified by Your Manufacturer
Wrong oil viscosity can reduce fuel economy 1-2%. Use exactly what the owner's manual says.
Coast to Red Lights Instead of Braking Late
Lift off the gas early and coast to stops — saves the fuel you'd waste accelerating just to brake.
Keep Your Gas Cap Tight and Sealed
A loose or cracked gas cap allows fuel to evaporate and triggers the check engine light.
Use Overdrive on Highways for Lower RPM
Overdrive keeps the engine at lower RPM at highway speeds — less fuel per mile.
Avoid Premium Gas Unless Your Car Requires It
If your owner's manual says 'recommended' not 'required' — regular is fine and saves $0.40-0.60/gallon.
Wash Your Car with Two Buckets to Prevent Scratches
One bucket soapy, one bucket rinse — the two-bucket method prevents the swirl marks that ruin paint.
Use Baking Soda Paste to Clean Headlights
Baking soda + water paste rubbed on foggy headlights restores clarity for free.
Clean Interior with Baby Wipes — Safe on Every Surface
Baby wipes safely clean dashboards, door panels, steering wheels, and screens without damage.
Use Dryer Sheets to Remove Bugs from the Front End
Wet a dryer sheet and wipe — bugs dissolve effortlessly without scrubbing or scratching.
Vacuum Before You Wash the Interior
Always vacuum first, wipe second — vacuuming after wiping just pushes clean dirt around.
Use a Clay Bar to Remove Contaminants from Paint
A clay bar pulls embedded contaminants out of paint that washing can't reach — glass-smooth results.
Apply Wax or Sealant Twice a Year for Paint Protection
Two wax applications per year prevents UV damage, makes washing easier, and maintains resale value.
Clean Floor Mats Outside the Car
Remove mats, shake, scrub, and dry separately — way more effective than vacuuming in place.
Use Rubbing Alcohol to Remove Stubborn Sticker Residue
Rubbing alcohol dissolves adhesive residue that peeling alone can't remove.
Protect Leather Seats with Conditioner Every 3 Months
$8 leather conditioner every 3 months prevents cracking, fading, and keeps seats supple for years.
Use a Microfiber Towel — Never Paper Towels — on Paint
Paper towels scratch paint. Microfiber is 100x softer and actually lifts dirt instead of dragging it.
Clean Your Engine Bay Once a Year
A clean engine bay makes spotting leaks easier and impresses buyers when selling.
Remove Pet Hair with a Rubber Glove
A damp rubber glove rubbed on fabric seats creates static that balls up and lifts pet hair instantly.
Keep an Emergency Kit in Your Trunk at All Times
A $50 kit handles 90% of roadside problems. Assemble once, keep in the trunk forever.
The 3-Second Following Distance Rule
Pick a landmark. When the car ahead passes it, count '1-one-thousand, 2-one-thousand, 3-one-thousand.' If you pass it before 3, you're too close.
Adjust Your Mirrors to Eliminate Blind Spots
Most people aim side mirrors too far inward. Proper positioning eliminates 90% of blind spots.
Always Use Turn Signals — Even When Nobody's Around
Turn signals prevent 2 million crashes per year. Make it an automatic habit for every lane change and turn.
Know How to Handle a Tire Blowout — Don't Slam the Brakes
Grip the wheel firmly, DO NOT brake, gently accelerate briefly, then slowly decelerate and pull over.
Hands at 9 and 3 O'Clock — Not 10 and 2
Modern airbag placement means 9-and-3 is safer than the old 10-and-2 position.
Check Mirrors Every 5-8 Seconds While Driving
Regular mirror checks give you 360° awareness — you always know what's around you.
Don't Drive in Another Car's Blind Spot
If you can't see the other driver's mirrors, they can't see you. Speed up or drop back.
Never Use Your Phone While Driving — Not Even 'Quick' Checks
Checking your phone at 55 mph for 5 seconds = driving the length of a football field blindfolded.
Keep Headlights On Even During the Day
Daytime running lights reduce head-on collisions by 25%. Always-on headlights make you visible.
Carry a Window Breaker and Seatbelt Cutter in Your Car
A $10 tool can save your life in a submerged or trapped vehicle — mount it within arm's reach.
Check Behind Your Car Before Reversing — Every Time
50 children per year die in backover accidents. Walk behind your car before getting in.
Pull Over and Stop If You Feel Drowsy — No Exceptions
Drowsy driving is as dangerous as drunk driving. If your eyelids are heavy, pull over immediately.
Know What to Do After an Accident — The 5-Step Checklist
Adrenaline makes you forget everything. Having a memorized 5-step checklist ensures you handle it right.
Get a Pre-Purchase Inspection Before Buying Any Used Car
$100-150 mechanic inspection reveals $1,000-5,000 in hidden problems before you buy.
Check the CarFax AND Do a Physical Inspection
CarFax catches accidents and title issues. Physical inspection catches what CarFax misses.
Never Buy a Car on Your First Visit — Always Walk Away
Walking away is the most powerful negotiation tool. The price always improves when you leave.
Get Pre-Approved for a Loan Before Going to the Dealership
Your bank or credit union rate is almost always better than the dealer's financing.
Buy Certified Pre-Owned for the Best Value
CPO cars: 1-3 years old, inspected, warrantied — 30-40% cheaper than new with 90% of the new-car experience.
Shop Insurance Before Buying to Know Your True Monthly Cost
Insurance on a sports car can be $300/month. Get a quote before you buy — it's part of the true cost.
Sell Your Car Privately for 20-30% More Than Trade-In
A dealer offers $12,000 trade-in for a car worth $16,000 to a private buyer. That's $4,000 you're losing.
Time Your Purchase: Buy at End of Month, Quarter, or Year
Salespeople have monthly quotas. Last day of month/quarter/year = maximum desperation to deal.
Use KBB and Edmunds to Know the True Market Value
Walking in knowing the fair price = impossible to overpay. KBB and Edmunds are your data weapons.
Consider Total Cost of Ownership, Not Just Sticker Price
A $25K car that costs $8K/year to own vs a $30K car that costs $5K/year — the pricier car is actually cheaper.
Don't Buy Extended Warranties from Dealers — They're 300% Markup
Dealer extended warranties cost $2,000-3,500. The same coverage from a third party is $800-1,200.
Check Your Car's Value Before Trading In
Dealers count on you not knowing your trade-in value. KBB puts the number in your hands.
Refinance Your Auto Loan If Rates Have Dropped
Refinancing from 7% to 4% on a $20,000 loan saves $1,800 over the remaining term.
Switch to Winter Tires in November — They Save Lives
Winter tires reduce braking distance on snow by 40%. All-seasons are NOT snow tires.
Keep Your Gas Tank Above Half Full in Winter
Half-full prevents fuel line freezing and ensures you have gas if stranded in a winter storm.
Test Your Battery Before Winter — Cold Kills Weak Batteries
Cold reduces battery capacity by 50%. A weak battery that works in summer dies on the first cold morning.
Wax Your Car Before Winter for Salt Protection
A fall wax application creates a barrier between road salt and your paint — prevents rust and damage.
Keep a Winter Emergency Kit in Your Car
Add to your regular kit: blankets, hand warmers, shovel, sand/kitty litter, and extra warm clothes.
Use Rubber Floor Mats in Winter to Protect Carpet
Rubber mats catch snow, salt, and slush — protecting your carpeted mats and preventing rust.
Park Facing East So Morning Sun Defrosts Your Windshield
The morning sun hits an east-facing windshield first — natural defrosting while you eat breakfast.
Check Coolant Strength Before Summer and Winter
Coolant that's too diluted freezes in winter or boils in summer — both destroy engines.
Apply Rain-X to Windshields Before Rainy Season
Rain-X makes water bead and fly off at speed — you barely need wipers above 35 mph.
Check AC System in Spring Before Summer Heat
AC problems are cheap to fix early. In July, shops are booked 2 weeks out and charge rush prices.
Use a Windshield Sunshade in Summer to Drop Interior Temp 30°F
A $10 reflective sunshade keeps your dashboard from cracking and drops interior temp by 30-40°F.
Protect Your Car's Finish from Summer Sun with Shade Parking
Parking in shade prevents UV paint fade, interior cracking, and reduces AC load when you return.
Flush Your Coolant System Every 30,000 Miles
Old coolant loses anti-corrosion properties — a $100 flush prevents $2,000+ in cooling system repairs.
Use Tire Pressure Monitoring in Temperature Swings
Tires lose 1 PSI per 10°F drop. A 40°F temperature swing means 4 PSI lost overnight.
Use Toothpaste to Remove Minor Paint Scratches
White toothpaste is a mild abrasive that buffs out light clear-coat scratches for free.
Negotiate the 'Out the Door' Price — Not the Sticker Price
Always negotiate the TOTAL price including all fees. Dealers add $500-2,000 in hidden charges after you agree on sticker.