1995 GMC Sonoma Owner's Manual - Page 326

Parking Brake and Automatic Transmission PARK (P) Mechanism Check Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regularbrake, set the parking brake. 0 To check the parking brake: With the engine runningand transmission in NEUTRAL(N), slowly remove foot pressure from the regular brake only. pedal. Do this until the vehiclei s held by the parking brake 0 To check the PARK (P) mechanism's holding ability: Shift to PARK (P). Then release all brakes. Lap and Shoulder Belts Condition and Operation Inspect belt system, including: webbing, buckles, latch plates, retractors, guide loops and anchors. Have a belt assembly replaced the webbing has if been cut or otherwise damaged. Part C: Periodic Maintenance Inspections Listed below are inspections and services which should be performed at least twicea year (for instance, each spring and fall). should let your You GM dealer's service department or other qualified service center do these jobs. Make sure necessary repairs are completed at once. any 7-38