 
| Subject: | Power Front Seat (RPO AN3) Switch Knobs Loose or Missing (Replace Switch Knobs) | 
| Models: | 2002-2006 Cadillac Escalade, Escalade EXT | 
| 2003-2006 Cadillac Escalade ESV | 
| 2002-2006 Chevrolet Avalanche, Silverado, Suburban, Tahoe | 
| 2002-2006 GMC Sierra, Yukon, Yukon XL | 
| with Individual Front Seat Non-Bucket (RPO AN3) and Driver Front Seat Power Adjuster (AG1) and/or Passenger Front Seat Power Adjuster (AG2) | 
Some customers may comment that the power front seat adjuster switch knobs are loose and fall off or are missing.
| Do This | Don't Do This | 
|---|---|
| Replace the Front Seat Adjuster Switch Knob. | DO NOT Replace the Front Seat Adjuster Switch. | 
Replace the front seat adjuster switch knob. Refer to the Front Seat Adjuster Switch Knob Replacement procedure in SI (Document ID # 1702369). These knobs were formerly available only as part of the power seat adjuster switch. DO NOT replace the switch if the knob only needs to be replaced.
| Part Number | Description | 
|---|---|
| 19122217 | Knob, F/Seat Power Adjuster Switch (Both Driver and Passenger) | 
| 19122218 | Knob, F/seat Power Recliner (Passenger Only) | 
| 19122219 | Knob, F/seat Power Recliner (Driver Only) | 
For vehicles repaired under warranty, use:
| Labor Operation | Description | Labor Time | 
|---|---|---|
| C2990 | Knob, Control and/or Shift (One or All) - Replace | 0.2 hr |