Lexus RX300 Manual page 220

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JUMP STARTING PROCEDURE
1. If the booster battery is installed in another vehicle, make sure the
vehicles are not touching. Turn off all unnecessary lights and
accessories.
2. If required, remove all the vent plugs from the booster battery.
Lay a cloth over the open vents on the booster battery. (This helps
reduce the explosion hazard, personal injuries and burns.)
3. If the engine in the vehicle with the booster battery is not running,
start it and let it run for about 5 minutes. During jump starting, run
the engine at about 2000 rpm with the accelerator pedal lightly
depressed.
4. Locate positive (+) and negative (–) terminals of each battery.
Connect the jumper cables in the exact order ( 1
shown in the illustration.
1
Connect a positive (red) jumper cable clamp to the positive (+)
terminal of the discharged battery.
2
Connect the clamp at the other end of the positive (red) cable
to the positive (+) terminal of the booster battery.
3
Connect a negative (black) cable clamp to the negative (–)
terminal of the booster battery.
4
Connect the clamp at the other end of the negative (black) cable
to a solid, stationary, unpainted metallic point (e.g. engine
cover tightening bolt) away from the battery. Do not connect
it to or near any part that moves when the engine is cranked.
CAUTION
When making the connections, to avoid serious injury, do not
lean over the battery or accidentally let the jumper cables or
clamps touch anything except the correct battery terminals or
the ground.
5. Start your engine in the normal way. After starting, run it at about
2000 rpm for several minutes with the accelerator pedal lightly
depressed.
6. Carefully disconnect the cables in the exact reverse order: the
negative cable and then the positive cable.
7. Carefully dispose of the battery cover cloths which may now
contain sulfuric acid.
8. If removed, replace all the battery vent plugs.
2
3
4 )
If the cause of your battery discharging is not apparent (for example,
lights left on), you should have it checked.
IN CASE OF AN EMERGENCY
205

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