OnStar Services

See also:

Powertrain
The XLR's Northstar V-8 VVT is a 90-degree, DOHC, four-valves-per-cylinder engine featuring an aluminum block and cylinder heads, and a valvetrain configuration with roller finger followers. The e ...

CD/DVD Player
The infotainment system's CD/DVD player can play audio discs and MP3 discs. Discs that are 8 cm (3 in) in diameter will not work in the CD/DVD player. The CD/DVD player does not support th ...

Playing from MEM
Playing Back a Previously Recorded CD Turn the TUNE knob to select a track if MEM is already playing from the previously recorded disc. 1. Select Recorded Disc List. 2. Select the disc. 3. Se ...