
Got a flat battery? CMH Honda The Glen is here to help! Whether you’re dealing with a car that won’t start or you’re preparing for emergencies, follow this simple guide to safely jump-start your vehicle.
What You’ll Need:
- A set of jumper cables
- A working vehicle with a fully charged battery
- Safety gloves and glasses (recommended)
Step 1: Position the Vehicles
- Park the working vehicle close to the dead vehicle—just close enough for the jumper cables to reach, but make sure the vehicles don’t touch.
- Turn off both vehicles and engage the parking brakes for safety.

Step 2: Connect the Jumper Cables
- Identify the positive (+) and negative (−) battery terminals on both vehicles.
- Attach the red (positive) clamp to the dead battery’s positive terminal.
- Connect the other red (positive) clamp to the working battery’s positive terminal.
- Attach the black (negative) clamp to the working battery’s negative terminal.
- Secure the remaining black (negative) clamp to an unpainted metal surface on the dead vehicle’s engine block—away from the battery—to avoid sparks.

Step 3: Start the Working Vehicle
- Start the working vehicle and let it run for a few minutes to charge the dead battery.
- Try starting the dead vehicle. If it doesn’t start right away, wait another 5 minutes and try again.

Step 4: Remove the Jumper Cables
Once the dead vehicle starts, carefully remove the jumper cables in reverse order:
- Remove the black clamp from the grounded metal surface on the dead vehicle.
- Remove the black clamp from the working battery.
- Remove the red clamp from the working battery.
- Finally, remove the red clamp from the previously dead battery.

Step 5: Keep the Engine Running
- Let the jump-started vehicle run for 15–20 minutes to allow the battery to recharge.
- It’s best to drive the vehicle to help the alternator charge the battery fully.
Additional Tips:
- If the car doesn’t start after multiple attempts, the battery may need replacing.
- Never attempt to jump-start a leaking or visibly damaged battery.
- Consider keeping a portable jump starter in your car for future emergencies.
By following these steps, you can safely get your car back on the road and avoid being stranded with a dead battery. CMH Honda The Glen is your trusted partner for vehicle maintenance, emergency assistance, and expert advice.
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