SERVICE TIRE MONITOR SYSTEM
This message displays if a part on the Tire Pressure Monitor System (TPMS) is not working properly.
The tire pressure light also flashes and then remains on during the same ignition cycle. See Tire Pressure Light.
Several conditions may cause this message to appear. See Tire Pressure Monitor Operation for more information.
If the warning comes on and stays on, there may be a problem with the TPMS. See your dealer.
See also:
How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface.
For Two-Wheel-Drive vehicles, the proper level is from 15mm to 40mm (0.6
in to 1.6 in) below the bottom of the filler plu ...
Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect
vehicle performance and safety, including such things as airbags, braking, stability,
ride and handling, emissions s ...
Hands-Free Calling
1. Push . System responds:
“OnStar ready.”.
2. Say “Dial.” System responds:
“Please say the name or number
to call.”.
3. Say the entire number without
pausing, including a “1” and the
area c ...