Cadillac Repair: 1988 cadillac, cadillac fleetwood brougham, cadillac fleetwood

Question
QUESTION: i have a 1988 cadillac fleetwood brougham and my check engine light when on when i was on the freeway. ever since then it just goes on and off. how do i turn this off?

ANSWER: You have a FAULT in the computer system of the vehicle.

Do this:

1. Ignition ON. Engine OFF.

2. Simultaneously push and hold for 3 seconds and release the OFF and WARMER buttons on your climate control panel and see what codes display and the display will stop at .7.0

3. turn ignition off.

---------- FOLLOW-UP ----------

QUESTION: ok i turned on the car and turned off the engine. i pushed the off button like you told me too and nuthing happened. also when i go 50 or 60 mph i hear a squeeking sound coming from the odometor or somewhere around there

Answer
NO,NO,NO.

1. Turn your ignition switch to the ON position ONLY. Do NOT start the car.

Simultaneously push and hold for 3 seconds and release the OFF and WARMER buttons on your climate control panel and see what codes display and the display will stop at .7.0