One To Four Shift Light; Downshifting (Manual Transmission - Chevrolet 2004 Corvette Owner's Manual

One to Four Shift Light

(Manual Transmission)
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.
2-30
When this light comes on,
you can only shift from
FIRST (1) to FOURTH (4)
instead of FIRST (1) to
SECOND (2).

Downshifting (Manual Transmission)

If your vehicle is a coupe or convertible, do not downshift
into the gear shown below at a speed greater than
shown in the table:
FIRST (1)
SECOND (2)
THIRD (3)
FOURTH (4)
If your vehicle is a Z06, do not downshift into a gear
shown below at a speed greater than shown in the table:
FIRST (1)
SECOND (2)
THIRD (3)
FOURTH (4)
50 mph (80 km/h)
74 mph (119 km/h)
101 mph (163 km/h)
130 mph (209 km/h)
48 mph (77 km/h)
69 mph (111 km/h)
100 mph (161 km/h)
143 mph (230 km/h)