OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationIf the Off Indicator Is Lit for an Adult-Sized Occupant
If a person of adult size is sitting in the front outboard passenger seat, but
the off indicator is lit, it could be because that person is not sitting properly
in the seat or that the child restraint locking feature is engaged.
Use the following steps to allow the system to detect that per ...
Lower Anchor and Top Tether Anchor Locations
(Top Tether Anchor): Seating positions
with top tether anchors.
(Lower Anchor): Seating positions
with two lower anchors.
To assist in locating the lower
anchors, each seating position with lower anchors has two labels, near the crease
between the seatback and the seat cushion.
To a ...
Driver Safety Belt Reminder Light
There is a driver safety belt reminder light on the instrument cluster.
When the vehicle is started, this
light flashes and a chime may come on to remind the driver to fasten their safety
belt. Then the light stays on solid until the belt is buckled.
This cycle may continue several times if th ...