Check Gas Cap Light

If your vehicle has this

If your vehicle has this light, it will come on if your gas cap is not securely fastened.

    See also:

    Add-on Electrical Equipment
    The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

    Keyless Access Operation
    Some vehicles have a keyless access system that lets you lock and unlock the doors and access the trunk without removing the RKE transmitter from your pocket, purse, briefcase, etc. The RKE transm ...

    Cruise Control Light
    The cruise control light comes on whenever the cruise control is set. The light goes out when the cruise control is turned off. See Cruise Control for more information. ...