Lexus rx450h Service Manual page 207

WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
When driving the vehicle
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During normal driving, do not turn off the hybrid system. Turning the hybrid system off
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while driving will not cause loss of steering or braking control, however, power assist
to the steering will be lost. This will make it more difficult to steer smoothly, so you
should pull over and stop the vehicle as soon as it is safe to do so.
In the event of an emergency, such as if it becomes impossible to stop the vehicle in
the normal way: P. 529
Use engine braking (downshift) to maintain a safe speed when driving down a steep
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hill.
Using the brakes continuously may cause the brakes to overheat and lose effective-
ness. (P. 239)
Do not adjust the positions of the steering wheel, the seat, or the inside or outside rear
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view mirrors while driving.
Doing so may result in a loss of vehicle control.
Always check that all passengers' arms, heads or other parts of their body are not
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outside the vehicle.
AWD models: Do not drive the vehicle off-road.
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This is not an AWD vehicle designed for off-road driving. Proceed with all due cau-
tion if it becomes unavoidable to drive off-road.
Do not drive across a river or through other bodies of water.
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This may cause electric/electronic components to short circuit, damage the hybrid
system or cause other serious damage to the vehicle.
Do not drive in excess of the speed limit. Even if the legal speed limit permits it, do not
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drive over 85 mph (140 km/h) unless your vehicle has high-speed capability tires.
Driving over 85 mph (140 km/h) may result in tire failure, loss of control and possible
injury. Be sure to consult a tire dealer to determine whether the tires on your vehicle
are high-speed capability tires or not before driving at such speeds.
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4-1. Before driving
4