TTY Users
OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.
See also:
Head Restraint Removal and Reinstallation
The rear outboard head restraints can be removed if they interfere with the proper
installation of the child restraint.
To remove the head restraint:
1. Partially fold the seatback forward. See Re ...
ENGINE
OVERHEATED — IDLE
ENGINE
This message displays when the
engine coolant temperature is too
hot. Stop and allow the vehicle to
idle until it cools down. ...
Starting the Vehicle Messages
JUMP START ACTIVE WAIT TO
START
This message displays while
performing an on-board jump start
of the vehicle. See “Jump Starting
(On-board with eAssist Only)” for
more information.
JUM ...