OnStar Services

See also:

Hot Check Procedure
Use this procedure to check the transmission fluid level when the transmission fluid temperature is between 71°C and 93°C (160°F and 200°F). The hot check is the most accurate method to check the ...

Cruise Control Light
For vehicles equipped with cruise control, this light comes on whenever the cruise control is set. The light goes out when the cruise control is turned off. See Cruise Control on page 9‑63 fo ...

Courtesy Lamps
The courtesy lamps automatically come on when a door is opened. The lamps can also be turned on manually by fully turning the instrument panel brightness control clockwise. The reading lamps, locate ...