Important notes on tire pressure

WARNING Should the tire pressure drop repeatedly: check the tire for foreign bodies. check whether the wheel is losing air or the valve is leaking. make sure that only a valve cap approv ...

Underinflated tires

WARNING Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more ...

See also:

Safety
WARNING! • Improperly inflated tires are dangerous and can cause collisions. • Under-inflation increases tire flexing and can result in over-heating and tire failure. • Over-inflation re ...

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, ...

Engine Oil Viscosity
SAE 5W-20 engine oil is recommended for all operating temperatures. This engine oil improves low temperature starting and vehicle fuel economy. The engine oil filler cap also shows the recommend ...