21
901091 REV A 3/29/12, INST 1968 CUTLASS wo AC EVAP KIT PG 21 OF 25
OPERATION OF CONTROLS
A/C MODE
HEAT MODE
DEFROST MODE
ON GEN 4 SYSTEMS WITH THREE LEVER/KNOB CONTROLS, THE TEMPERATURE CONTROL TOGGLES
BETWEEN ECONOMY/HEAT AND A/C MODES. TO ACTIVATE A/C, MOVE THE TEMPERATURE LEVER ALL
THE WAY TO COLD AND THEN BACK IT OFF TO THE DESIRED VENT TEMPERATURE. FOR ECONOMY/HEAT
MODE, MOVE THE TEMPERATURE LEVER ALL THE WAY TO HOT AND THEN ADJUST TO THE DESIRED VENT
TEMPERATURE. THE BLOWER WILL MOMENTARILY CHANGE SPEED EACH TIME YOU TOGGLE BETWEEN
MODES TO INDICATE THE CHANGE.
BLOWER SPEED
ADJUST TO DESIRED
SPEED
SLIDE THE LEVER ALL
THE WAY LEFT
FOR DASH MODE
MODE LEVER
TEMPERATURE LEVER
IN A/C MODE SLIDE THE
TEMPERATURE LEVER ALL THE
WAY RIGHT TO ENGAGE
COMPRESSOR. (SLIDE LEVER
LEFT OR RIGHT TO ADJUST
DESIRED TEMPERATURE)
BLOWER SPEED
ADJUST TO DESIRED
SPEED
TEMPERATURE LEVER
SLIDE THE TEMPERATURE
LEVER ALL THE WAY LEFT
TO THE HOT POSITION.
(SLIDE LEVER LEFT OR RIGHT
TO DESIRED TEMPERATURE)
SLIDE THE LEVER TO
THE CENTER POSITION
FOR FLOOR MODE
MODE LEVER
TEMPERATURE LEVER
ADJUST TO DESIRED
SPEED
BLOWER SPEED
SLIDE THE LEVER ALL
THE WAY RIGHT
FOR DEF MODE
MODE LEVER
ADJUST LEVER TO
DESIRED TEMPERATURE.
(COMPRESSOR IS
AUTOMATICALLY
ENGAGED)
TEMPERATURE
LEVER
BLOWER
SPEED
HOT
COLD
DASH
DEF
FLR
OFF
FAN HI
AIR CONDITIONING
AC
MODE
LEVER
HOT
COLD
DASH
DEF
FLR
OFF
FAN HI
AIR CONDITIONING
AC
HOT
COLD
DASH
DEF
FLR
OFF
FAN HI
AIR CONDITIONING
AC