Special Application Services
• 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:
Fuel System Messages
FUEL LEVEL LOW
This message displays and a chime sounds if the fuel level is low. Refuel as soon as possible. See Fuel Gauge on page 5‑13 and Fuel on page 9‑40 for more information.
TIGH ...
Radio Frequency Statement
This vehicle has systems that operate on a radio frequency that comply with Part 15 of the Federal Communications Commission (FCC) rules and with Industry Canada Standards RSS-GEN/210/220/310.
Operat ...
OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock
and Stolen Vehicle Assistance. You will be prompted to change the PIN the first
time when speaking with an Advisor. T ...





