Chevrolet 1993 Corvette Owner's Manual page 76

lnsert the Engine Power Key into the
slot and turn claclnvise to FULL. An
indicat0r"light will come on when FULL
power performance is operating. To
return to-NORMAL power, turn key
countercloclnvise. The indicator light
should stop glowing. The key returns
to
the center position when released. The
key can
be
removed when the engine is
in PULL or NORMAL power and only
from the center position.
The FULL power setting provides
additional power for highway touring
and off-road sports use as well
as
reserve power for passing. Both primary
and secondary fuel intake runners and
injectors can operate when the FULL
setting is chosen.
I
When the ignition is shut off, the engine
reverts to NORMAL power.
Your ZR-1 is capable of operating at
FULL power when the indicator light is
on and u.nder the following conditions:
The engine coolant and oil
temperatures are greater than 68°F
(200Cc)
but less than 3OFF (150°C),
and
-The system voltage is greater than 10
volts, and
There is no SERVICE ENGINE
SOON light indicated on the Driver
Infomation Center.
Switching from the NORMAL to the
FULL setting and from the FULL to
the NORMAL setting may be done
at
engine speeds
up to 4,000 rpm.
ZR-1 Toll-Free Number:
If you
have any questions or concerns
about your ZR-1 Special Performance
Coupe, call the following toll-free
telephone number for ,assistance:
1-800-222-1020 (U.S. only).
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