Buick 1993 Roadmaster Owner's Manual page 187

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Wear good sunglasses
in
bright light. Glare can.
cause drowsiness. But don't wear sunglasses at
night. They will drastically reduce your overall
vision at the very time you need all the seeing powe
you have.
If you get sleepy, pull off the road into a'rest, service,
or parking area and take a nap, get some exercise,
or
both. For safety, treat drowsiness on the highway as.
an emergency.
As in any driving situation, keep pace with traffic and
allow adequate following distances.
185