In all honesty, boomers and Gen Z don’t treat cars the same way, as one group grew up changing their own oil in the driveway, while the other thinks “check engine” just means “ask TikTok.” But somehow, despite all the apps & remote starters, some old-school car quirks refuse to die–and for good reason. Whether it’s a weird obsession with tennis balls on antennas or a glovebox full of ice scrapers, let’s look at eleven boomer car habits that Gen Z simply doesn’t understand. They have no idea how cars used to work.
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Locking the Car Manually With the Key

There’s the car, there’s the fob, and then there’s some boomers, pulling out the key and putting it into the door like it’s 1986, although they might have a fob in their hand, too. Still, they’ll use their key and check every door, twice—it’s not that they’re paranoid, it’s simply that they don’t completely trust the remote. But Gen Z taps a button and keeps walking, without even thinking about it.
Filling Up the Fuel Tank When It’s Half Full

Ask a Boomer how low they let the gas go, and they’ll look at you like you’re crazy because half a tank means it’s empty—a quarter tank, and they’re practically sweating. They have a specific day, maybe even a favorite gas station, which they’ll pull into when the needle dips past the halfway line. It doesn’t matter if they’re not going anywhere far because it’s how they were taught, and to them, running on empty is a crisis, not a choice.
Writing Down Gas Mileage in a Notebook

Boomers used to pull up to the pump & fill their tank, and then write down the date, miles, gallons, and price per gallon in a little gas log they kept in the car—some of them still do this. They won’t use an app or spreadsheet, just some ink, with a few boomers going as far as calculating the exact MPG by hand with a calculator they keep in the console. They have pages of fuel statistics from 1998 that no one’s ever going to read, but it’s all there, complete with information about when prices went up.
Letting the Engine Idle For Five Minutes Before Driving

A few boomers won’t even shift into drive until the car’s had its “warm-up,” even if it’s 80 degrees out, while Gen Z simply starts the car and goes. Modern engines don’t need a coffee break before moving, but don’t tell boomers that—they’ll sip coffee in the driveway as they watch the temperature needle rise. There’s no point letting them know that the car’s ready, as the hood’s not even hot yet, so they’ll tell you to “calm down.”
Putting a Tennis Ball On the Radio Antenna

Back in the days when antennas stuck out quite a bit, a few people would put a tennis ball on the top so that they could find their car in crowded parking lots. But now, Gen Z can’t ever imagine doing that, and they’re more likely to ask, “Why is there sports equipment on your sedan?” A few boomers would pick colors to match the car, and losing your ball meant taking another trip to the store, perhaps also getting a second ball, just in case.
Always Parking Nose-Out

In practically every grocery store lot, you’ll see a Boomer slowly reversing into a spot, regardless of the fact that the place is half empty, because it’s just what they do—back in, pull out easy. Gen Z prefers whipping into the nearest open space and deals with the exit later, while boomers may circle a few times to get the perfect angle for backing in. They’re strong believers in dealing with issues right now, rather than pushing them off until later.
Keeping a Plastic Ice Scraper in Every Glove Box

Boomers sometimes act like a blizzard could hit any second—even in Arizona—and that’s why their glovebox will always have an ice scraper from a 1992 car dealership, just in case. It really doesn’t matter if the sun shines 300 days a year because that scraper stays right there next to the insurance papers and a pen that ran out of ink in 2005. However, if there’s ice on the windshield, Gen Z is more likely to turn on the defroster and scroll TikTok until it clears.
Carrying a Full Paper Map Book in the Car

Fold-out maps were once in every car, and boomers still stick to this habit, just in case satellites vanish—and they know how to read them, too. Gen Z would need a YouTube tutorial to figure out which way is north, yet boomers could do so without thinking twice. They’ll point out shortcuts that don’t exist anymore, and their maps have highlighter marks & hand-drawn routes from past vacations.
Tapping the Dashboard When the Gas Gauge Moves

Gen Z doesn’t understand why some boomer drivers tap the gas gauge, but there’s a reason for that—it’s a leftover trick from old cars, where the needle sometimes got stuck. The younger generation just assumes the dashboard’s voice-activated or something, as they don’t have the muscle memory from the carburetor era. Everything’s a lot simpler for them.
Always Doing an Oil Change at Exactly 3,000 Miles

No matter what the manual says, quite a few Boomers stick to the 3,000-mile rule like it’s a law, despite the fact that newer cars don’t need oil changes that often. But old habits die hard. Gen Z usually waits for the dashboard to say something first, while boomers check the oil dipstick weekly to make sure everything’s running as it should. As soon as those 3,000 miles hit, it’s time to head to the shop.
Scheduling All Car Work With “Their Guy”

You’ll never see a boomer googling “mechanic near me” because they’ve had the same guy for years, which means no online booking or sleek waiting room—just a regular mechanic. They’ll drive 30 minutes out of the way and wait an extra day simply because they trust him, even though another dealership might have free coffee & Wi-Fi. Boomers want the guy who “knows the car,” and they might call ahead to make sure he’s there.
Disclaimer: This list is solely the author’s opinion based on research and publicly available information.
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