GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Riviera 🢒 Body and Accessories 🢒 Doors 🢒 Power Door Locks System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Move the left front door lock/window switch to the LOCK position.
  2. Move the left front door lock/window switch to the UNLOCK position.
  3. Move the right front door lock/window switch to the LOCK position.
  4. Move the right front door lock/window switch to the UNLOCK position.
    • All of the doors lock and stay locked when a lock switch is pressed.
    • All of the doors unlock and stay unlocked when an unlock switch is pressed.

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.