One to four shift light (manual transmission), Downshifting (manual transmission) – CHEVROLET CORVETTE 2005 User Manual

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One to Four Shift Light
(Manual Transmission)

When this light comes on,
you can only shift from
FIRST (1) to FOURTH (4)
instead of FIRST (1) to
SECOND (2).

You must complete the shift into FOURTH (4) to turn
off this feature. This helps you get the best possible
fuel economy.

After shifting to FOURTH (4), you may downshift to a
lower gear if you prefer.

Notice: Forcing the shift lever into any gear except
FOURTH (4) when the 1 TO 4 SHIFT light comes
on may damage the transmission. Shift only from
FIRST (1) to FOURTH (4) when the light comes on.

This light will come on when:

The engine coolant temperature is higher than
169°F (76°C),

you are going 15 to 19 mph (24 to 31 km/h) and

you are 21 percent throttle or less.

Downshifting (Manual Transmission)

Do not downshift into the gear shown below at a speed
greater than shown in the table:

FIRST (1)

50 mph (80 km/h)

SECOND (2)

74 mph (119 km/h)

THIRD (3)

101 mph (163 km/h)

FOURTH (4)

130 mph (209 km/h)

Notice: If you skip more than one gear when you
downshift, or if you race the engine when you
release the clutch pedal while downshifting, you
could damage the engine, clutch, driveshaft or the
transmission. Do not skip gears or race the
engine when downshifting.

The six-speed transmission has a spring that centers
the shift lever near THIRD (3) and FOURTH (4).
This spring helps you know which gear you are in when
you are shifting. Be careful when shifting from
FIRST (1) to SECOND (2) or downshifting from
SIXTH (6) to FIFTH (5). The spring will try to pull the
shift lever toward FOURTH (4) and THIRD (3).
Make sure you move the lever into SECOND (2) or
FIFTH (5). If you let the shift lever move in the direction
of the pulling, you may end up shifting from FIRST (1)
to FOURTH (4) or from SIXTH (6) to THIRD (3).

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