Special Application Services
• Allison Transmission™ Vehicles Only: Replace external transmission filter at first engine oil change only.
• Vehicles with Dual Wheels: Check dual wheel nut torque at 160 km/100 mi, 1 600 km/ 1,000 mi and 9 700 km/6,000 mi.
• Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/ 3,000 mi.
• Have underbody flushing service performed once a year.
See also:
Using the Tire Sealant and Compressor Kit without Sealant to Inflate a Tire (Not Punctured)
To use the air compressor to inflate a tire with air only and not sealant:
If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place. Turn on the hazard warning fl ...
Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block,
and Roadside Assistance, if the vehicle is equipped with these services. OnStar
can unlock the vehicle doors remotel ...
DIC Operation and Displays
Use the DIC buttons located in the center of the instrument panel to access different
displays. The DIC displays trip, fuel, vehicle system information, and warning messages.
It also shows the shi ...