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:
Vehicle Overview
Introduced for 2002, the Buick Rendezvous continues into 2005 in regular and
Ultra forms with front-wheel drive or Versatrak all-wheel drive. Ultra editions
feature a 245-horsepower, 3.6-liter V-6 ...
Engine Heater
The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up.
Plug in the coolant hea ...
Flash-to-Pass
To flash the high beams, pull the
turn signal/lane change lever toward
you, and release. ...