GM Service Manual Online
For 1990-2009 cars only

Tire Pressure Monitoring System Settings EMP Only

Table 1: Tire Pressure and Slope
Table 2: Tire Pressure Alerts and Warnings

Tire Pressure and Slope

Terrain

Cold Inflation Pressure

Slope

Highway * Front Axle

45 PSI (3.10 Bar)

55

Highway * Rear Axle

65 PSI (4.48 Bar)

75

Highway **

40 PSI (2.76 Bar)

51

Cross Country **

23 PSI (1.60 Bar)

34

Mud, Sand, Snow **

18 PSI (1.24 Bar)

29

Tire Pressure Alerts and Warnings

Terrain

Deviation Pressure Alert ***

Low Pressure Warning

Highway * Front Axle

±5 PSI (0.34 Bar)

33 PSI (2.28 Bar)

Highway * Rear Axle

±5 PSI (0.34 Bar)

40 PSI (2.76 Bar)

Highway **

±5 PSI (0.34 Bar)

30 PSI (2.07 Bar)

Cross Country **

±5 PSI (0.34 Bar)

17 PSI (1.17 Bar)

Mud, Sand, Snow **

±5 PSI (0.34 Bar)

13 PSI (0.90 Bar)

* Factory Tire Pressure Setting

** All Axles

*** From Cold Pressure Tire Setting