Instrument Cluster / Carrier: Service and Repair

On some models, a yellow flag with the word emissions will rotate into the odometer window at 30,000 mile intervals indicating either a catalyst or oxygen sensor change is required. After performing the required maintenance, reset the emissions flag as follows:
a. On Cutlass models, remove cluster pad assembly. On 88, 98, Custom Cruiser and Toronado, remove lefthand trim cover.
b. On all models, remove trip odometer reset knob, if equipped.
c. Remove screws attaching cluster lens to cluster assembly and remove lens.
d. Using a pointed tool inserted at an angle to engage flag wheel detents, rotate flag wheel downward. When flag wheel is reset, the alignment mark will be in center of odometer window.

Fig. 11 Instrument cluster. Toronado:

1. Disconnect battery ground cable.
2. Remove headlamp switch knob, radio knobs and steering column trim cover.
3. Remove four screws from underside of lefthand trim cover.
4. Remove lefthand sound absorber, then pull lefthand trim cover from instrument panel. It may be necessary to disconnect shift indicator cable clip and lower steering column slightly to remove lefthand trim cover.
5. Remove two screws attaching headlamp switch to cluster carrier, then pull switch from carrier.
6. Remove windshield wiper switch, then remove radio from instrument panel.
7. Remove four screws attaching heater-A/C control to cluster. Pull control out of cluster and disconnect wiring, vacuum lines and temperature control cable, then remove control assembly.
8. Unlock headlamp switch, windshield wiper, cruise control and defogger switch connectors from cluster carrier, then disconnect speedometer cable.
9. Remove nine cluster carrier attaching screws, then remove cluster carrier.