Roadside emergencies
175
Wheel chock (accessory)
When changing a wheel, secure the
diagonally opposite wheel with an
appropriate block or wheel chock, if
necessary.
Pull the two halves of the chock
apart, and twist 180 degrees.
When jacking the front of the
vehicle on a flat surface, wedge
the chock between the ground and
the tyre of the diagonally opposite
rear wheel, so that the chock is
under the rear of the wheel.
When jacking the rear of the
vehicle on a flat surface , wedge
the chock between the ground and
the tyre of the diagonally opposite
front wheel, so that the chock is
under the front of the wheel.
If parking on a slope is
unavoidable, wedge the chock
between the ground and the tyre of
the diagonally opposite wheel, so
the chock is under the downhill
side of the wheel.
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