2000 Cadillac Seville SLSFACTORY OEM SERVICE PROCEDURE

Power Windows

  1. Turn ignition switch to ON position. Operate each window from master switch assembly assembly. Each window should operate quietly and smoothly, with no sticking. If all windows operate correctly, go to next step. If any window does not operate properly, go to TEST 2: ONE OR ALL WINDOW(S) INOPERATIVE FROM MASTER SWITCH  or TEST 4: LEFT FRONT WINDOW INOPERATIVE  under SYSTEM TESTS.
  2. Operate each window from individual window switch. Each window should operate quietly and smoothly, with no sticking. If all windows operate correctly, go to next step. If any window does not operate properly, go to TEST 6: ONE WINDOW INOPERATIVE AT INDIVIDUAL SWITCH (EXCEPT LEFT FRONT)  or TEST 4: LEFT FRONT WINDOW INOPERATIVE  under SYSTEM TESTS.
  3. Place master switch assembly lock-out switch in LOCK position. Repeat steps 1)  and 2)  . Passenger's windows should be inoperative from their individual switches, but operate from power window master switch. If all windows operate correctly, go to next step. If any window does not operate properly, go to TEST 3: LOCK-OUT FEATURE INOPERATIVE  under SYSTEM TESTS.
  4. Press left front window express down switch. Left front window should travel down fully without switch being held. If window does not operate properly, go to TEST 1: EXPRESS DOWN FEATURE INOPERATIVE  under SYSTEM TESTS. If window operates correctly, system check is complete.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.