GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Park Avenue 🢒 Body and Accessories 🢒 Seats 🢒 Heated Seats System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Turn the ignition switch to the RUN position.
  2. Press the left heated seat switch.
  1. The high heat LED on the left heated seat switch turns on.
  2. The left seat heater turns on at the high level in about 1 minute.

2

Press the left heated seat switch.
    • The high heat LED turns off.
    • The low heat LED on the left heated seat switch turns on.
    • The left seat heat temperature lowers to the low level in about 1 minute.

3

Press the left heated seat switch.
    • The low heat LED on the left heated seat switch turns off.
    • The left seat heater turns off.
    • The left seat cools down.

Heated Seat Always On

4
    • Turn the ignition switch to the RUN position.
    • Press the right heated seat switch.
    • The high heat LED on the right heated seat switch turns on.
    • The right seat heater comes on at the high level in about 1 minute.

5

Press the right heated seat switch.
    • The high heat LED turns off.
    • The low heat LED on the right heated seat switch turns on.
    • The right seat heat temperature lowers to the low level in about 1 minute.

6

Press the right heated seat switch.
    • The low heat LED on the right heated seat switch turns off.
    • The right seat heater turns off.
    • The right seat cools down.

Heated Seat Always On

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