Bad driving habits that cause car damage and repair bills

© A. Krivonosov

Modern cars are built to last, but longevity depends on more than just build quality or regular servicing. Sometimes the real cause of an expensive repair is a habit the driver doesn't even think twice about. Thousands of drivers repeat these mistakes every day without realizing they're slowly draining the life out of the engine, transmission, and other key components.

Driving on a nearly empty tank

Many drivers wait until the low-fuel warning lights up before refueling. Mechanics, however, recommend not letting the tank run close to empty.

The fuel pump is cooled by the fuel surrounding it. When there's too little fuel left, the pump works under more strain. On top of that, sediment and debris sitting at the bottom of the tank are more likely to get pulled into the fuel system, accelerating wear on its components over time.

Resting a foot on the clutch pedal

This habit is especially common among new manual-transmission drivers. Many keep a foot on the pedal even when there's no need to shift.

Even light pressure forces the release bearing and clutch components to work under constant extra load. Over time, that leads to premature wear.

Parking with the wheels turned

After parking, some drivers leave the steering wheel turned all the way to one side. On cars with power steering, this puts extra strain on the pump and the hydraulic system.

Experts recommend straightening the wheels slightly after finishing a maneuver, so they don't sit at full lock.

Flooring it on a cold engine

Right after startup, engine oil needs a bit of time to circulate through all the moving parts. Accelerating hard or revving high before that happens increases wear on internal components.

That's why it's best to drive gently right after starting the car. After a few kilometers, once the engine reaches operating temperature, normal driving is fine.

Trying to warm up the transmission while parked

Many drivers still believe that in winter, an automatic transmission needs a long idle warm-up, cycling the selector through every gear.

Mechanics point out that a transmission only fully warms up while the car is moving. So after a brief engine warm-up, it's better to start driving smoothly, avoiding hard acceleration in the first few minutes.

Letting the car idle too long in winter

Many drivers are used to letting the engine idle for 15–20 minutes before setting off. Modern cars generally don't need that.

Prolonged idling without load can cause incomplete fuel combustion, and deposits build up in the engine faster. Most modern manufacturers recommend a short warm-up followed by driving gently to finish the job.

Crawling in traffic in a dual-clutch or automated-manual car

Cars with an automated-manual or dual-clutch transmission call for a slightly different driving style. Extended crawling at very low speed often means the clutch is slipping.

That heats up and wears the transmission components faster. That's why owners of these cars are advised to follow the manufacturer's guidance when driving in dense city traffic.

Ignoring tire pressure

Checking tire pressure seems like a minor thing, so many drivers only think about it once a dashboard warning appears.

Underinflated tires hurt handling, increase fuel consumption, and wear out faster. They also put extra strain on suspension components.

Ignoring warning lights

Modern cars warn drivers early about potential problems. Yet some keep driving even after warning lights appear for the engine, lubrication, or cooling system.

Mechanics note that timely diagnostics can catch an issue at an early stage and prevent a much more serious repair down the road.

Delaying scheduled maintenance

Even the most reliable car needs regular oil, filter, and fluid changes. Trying to save money by skipping scheduled maintenance often ends up costing far more later on.

Sticking to the manufacturer's service schedule helps extend the life of the engine, transmission, and other key components.

What's worth remembering

Most of these habits won't break a car overnight. But repeating the same mistakes again and again gradually shortens a car's lifespan and raises the odds of an expensive repair down the line. Simple changes — refueling on time, warming up carefully, keeping an eye on tire pressure, and sticking to the maintenance schedule — go a long way toward keeping a car in good shape for years. For more ways to protect a car long-term, these five smart maintenance habits are worth building into a routine too.