Chevrolet 1993 S-10 Pickup Owner's Manual page 124

Features & Controls
SHIFT Indicator Light
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KO287
This light with the SHIFT symbol is on the instrument cluster of some vehicles
with manual transmissions. The SHIFT indicator light will help you get the
best fuel economy. See "Shift Indicator Light" in this section.
Headlight High Beam Indicator Light
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This light with the blue high beam symbol is on the instrument cluster. The
high beam indicator is on whenever you use your high beam headlights. For
more details about high beams, see "Headlight High-Low Beam Changer" in
this section.
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