What is what to do when car battery is low?

Here's what to do when your car battery is low:

A low car battery can leave you stranded. Here's a breakdown of steps you can take:

1. Recognize the Signs: Look for telltale signs like a slow engine crank, dim headlights, or the clicking sound when you try to start the car. These may indicate a weakening battery.

2. Attempt a Jump Start: The most common solution is to try to jump-start the car. You'll need a set of jumper cables and another vehicle with a working battery. Follow these steps carefully:

   • Position the cars close enough so the jumper cables can reach both batteries, but don't let the cars touch.
   • Turn off both vehicles.
   • Connect the red (positive) clamp to the positive terminal of the dead battery.
   • Connect the other red (positive) clamp to the positive terminal of the good battery.
   • Connect the black (negative) clamp to the negative terminal of the good battery.
   • Connect the final black (negative) clamp to an unpainted metal surface on the dead car, away from the battery (like a bolt on the engine block). Do not connect it to the negative terminal of the dead battery, as this can create sparks and potentially ignite battery gases.
   • Start the car with the good battery and let it run for a few minutes.
   • Try to start the car with the dead battery. If it starts, let both cars run for several more minutes.
   • Carefully disconnect the jumper cables in the reverse order of how you connected them.

3. Check the Battery Terminals: Corrosion on the battery terminals can prevent a good connection. Clean the terminals with a wire brush or a terminal cleaning tool. You can also use a baking soda and water solution. Wear eye protection and gloves during this process.

4. Have the Battery Tested: If a jump start gets you going, it's crucial to have your battery tested by a mechanic or auto parts store. This will determine if the battery is simply discharged or if it's failing and needs to be replaced. Many auto parts stores offer free battery testing.

5. Check the Charging System: If the battery tests okay but keeps dying, there might be a problem with your car's charging system, specifically the alternator. The alternator is responsible for recharging the battery while the engine is running. A faulty alternator can lead to a constantly drained battery.

6. Consider a Portable Jump Starter: A portable jump starter is a handy device that can jump-start your car without needing another vehicle. Keep it charged and in your car for emergencies.

7. Call for Assistance: If you can't jump-start the car or suspect a more serious problem, call for roadside assistance or a tow truck.

8. Minimize Power Draw: While you're waiting for assistance or trying to diagnose the problem, turn off all unnecessary accessories (lights, radio, air conditioning) to conserve battery power.

9. Battery Replacement: If the battery is old or tests bad, you'll need to replace the battery. Be sure to get the correct battery type and size for your vehicle. You can either do this yourself (if you're comfortable) or have a mechanic do it.