Check your car before the trip checks it for you on the side of a highway. Most roadside breakdowns trace back to a small handful of components that take only minutes to inspect but are easy to ignore in the rush of packing and planning. A short pre-trip routine catches the majority of issues before they become expensive, or dangerous.
Tires
Tires are the single most overlooked system on a car before a long drive. Check the tread depth on all four tires, including the spare, and look for uneven wear patterns that might indicate an alignment issue. Confirm the air pressure matches the level listed on the sticker inside the driver’s door, not the number printed on the tire itself, and check it when the tires are cold for an accurate reading.
Fluids
- Engine oil — check the level and the color on the dipstick
- Coolant — confirm it is between the minimum and maximum marks on the reservoir
- Brake fluid — low levels can indicate worn brake pads
- Windshield washer fluid — easy to forget, important on dusty or bug-heavy routes
- Transmission fluid, if your vehicle allows an easy check
Brakes
Listen for any squealing or grinding when braking in the days before departure, and pay attention to whether the car pulls to one side when you brake. Brakes are not something to gamble on for a long drive, especially one that includes mountain roads or heavy traffic.
Battery and Belts
A battery that struggles to start the car in a driveway will often fail outright after sitting in a hot parking lot for a few hours during the trip. If the car has been slow to start recently, or the battery is several years old, it is worth having it tested before you leave. Visually check belts and hoses for cracking or fraying while you are already under the hood.
Lights and Wipers
Walk around the car with the engine running and test headlights, brake lights, turn signals, and hazard lights. Replace wiper blades if they streak or skip, since a long drive through unexpected rain is a poor time to discover they no longer clear the windshield properly.
Documents and Roadside Cover
Confirm registration and any required inspection documents are current and easy to reach, rather than buried under luggage once the car is loaded. If you have roadside assistance coverage through an insurer or membership, note the contact number somewhere other than just your phone, in case the breakdown happens to involve the phone itself.
Pack a Basic Emergency Kit
- Jumper cables or a portable jump starter
- A flashlight with working batteries
- Basic tools and a tire pressure gauge
- A first aid kit
- A physical map or offline directions as a backup to phone navigation
None of this requires mechanical expertise — most of it is visual inspection and common sense. The goal is simply to catch the obvious problems while you are still in your own driveway, where a fix is an inconvenience, rather than three hours down the highway, where the same problem becomes a genuine emergency.