Hummer H2 User Manual page 7

5. Once the vehicle has been successfully jump started, disconnect the jumper cable
clamps from the vehicle battery terminals.
JUMP STARTING WARNINGS!
DON'T connect the RED and the BLACK clamps to each other or connect the two
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clamps to any metal to prevent physical injury or damage to the vehicle.
DON'T use the jumper cable for any purpose other than jump starting a vehicle.
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Always check to see if the jumper cable clamps are properly connected. DON'T
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attempt to jump start after THREE attempts to prevent damage to the main unit.
Check your vehicle to see if it has any problems.
DON'T crank the engine continuously for more than 5 seconds each time.
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Stay clear of the vehicle battery while jump starting.
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Use this product in a ventilated area. Wear safety glasses or goggles to protect
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your eyes.
Turn off the ignition before connecting the jumper cable clamps to the vehicle
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battery.
Never connect to the fuel line, fuel injector or carburetor as the engine ground.
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Keep away from children to prevent accident.
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CHARGING USB DEVICES (e.g. SMARTPHONES):
CHARGING USB DEVICES (e.g. SMARTPHONES):
1. Make sure the USB device is 5V powered.
2. Connect the included USB Charge Cable to the USB output port of the H2 and connect
to the USB device for charging. (If the included cable is not suitable for your device, you
can select your own appropriate USB Charge Cable).
3. The USB port will accept standard USB Charge Cable included with your USB device.
4. Press the Power button to start charging the USB device.
5. The number of times you can recharge a USB device will vary between devices.
R: red clamp
B: black clamp