Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1991 Cadillac Seville BaseFACTORY OEM SERVICE PROCEDURE
System Check: Notes
NOTE:
Before doing the System Check, see PRELIMINARY INSPECTION
.
Use the SYSTEM CHECK table as a guide to normal operation.
SYSTEM CHECK
| Action To Be Taken | (1) Normal Result(s) | ||
|---|---|---|---|
| With The Ignition Switch In RUN, And All Windows Closed, Momentarily Press (Hold Less Than 0.3 Seconds) The LH Front Window DN Switch | LH Front Window Moves Down Only A Small Distance | ||
| Press The LH Front Window DN Switch And (Hold For At Least 0.3 Seconds) Release | LH Front Window Moves To Its Full Down Position (Express Feature) | ||
| Press The LH Front Window UP Switch | LH Front Window Moves Up As Long As Switch Is Depressed (No Express Feature) | ||
| Press The LH Front Window DN Switch And (Hold For At Least 0.3 Seconds) Release. As Window Is Moving Down, Press The LH Front Window Switch UP or DN | LH Front Window Moves Down In The Express Mode, And Stops When The UP Or DN Switch Is Pressed | ||
| Operate All Other Windows UP And DN From The Master Switch Assembly | Each Window Operates Quietly And Smoothly, With No Sticking | ||
| Operate Each Window From The Individual Window Switches | Each Window Operates Quietly And Smoothly, With No Sticking | ||
| With All Doors Closed Start The Engine. Turn Off Engine And Remove Key From The Ignition Switch. Operate Power Windows | Power Windows Operate For 10 Minutes Or Until A Door Is Opened | ||
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.