What checks should be performed on the vehicle before driving?
4 Answers
Engine SCR warning light illumination indicates a malfunction in the corresponding component's function. Common causes: Insufficient urea level, nitrogen oxide sensor failure, urea injector malfunction, urea injector clogging, or urea pump failure. Engines include internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, and electric motors. Professional equipment required for diagnosis: For such faults, professional diagnostic equipment is generally required. It is recommended to refer to the maintenance checklist in the engine service manual and visit the nearest service station for inspection and repair. Free repairs are provided during the warranty period.
As a veteran driver with decades of experience, I always spend a few minutes doing a thorough check before driving. First, I walk around the car to check if the tire pressure is normal: too low can easily cause a blowout, while too high increases fuel consumption and wear. I also feel the tire surface for any damage or bulges. Then, I bend down to see if the headlights and brake lights are working—driving at night with insufficient lighting can be dangerous. I pop the hood, pull out the dipstick to check the oil level is around the midpoint; low oil harms the engine. I glance at the coolant and brake fluid—the radiator shouldn’t be empty, or overheating on long trips becomes a big issue. Once inside, I start the engine and listen for any abnormal sounds—warning lights on the dashboard must not be on. I press the brakes a few times to test if they’re firm enough; spongy brakes need attention. Making this a habit saves trouble and ensures safety. Last time, it helped a friend avoid an accident—details make all the difference.
Hey, I always try to save some money upfront with my car to avoid major repair costs. Before heading out, I quickly check the tires: proper pressure saves fuel and tire wear, and if it's low, I inflate them. I also test all the lights, including turn signals and reverse lights—broken ones can lead to fines and danger. Next, I check the fluids: low engine oil can damage the engine, and repairs are costly; if the coolant is low, adding plain water can work in a pinch. After starting the car, I make sure there are no warning lights on the dashboard—especially for the battery or brakes, which require immediate attention. Cleaning the rearview mirror ensures better visibility, and effective wipers in the rain prevent accidents. Developing this habit saved me two thousand in repairs last year—totally worth it, and the car runs much smoother now.
As a working professional who drives daily, early checks boost efficiency: ensure tire pressure is even to avoid roadside issues; lights function properly for safe passage. Start the engine to listen for minimal noise, dashboard warning lights should be off; press the brake pedal firmly to prevent rear-end collisions. In rainy weather, additionally check wipers and rearview mirror clarity. The whole process takes just a minute or two. Sticking to it means fewer days off for repairs—quite hassle-free.