Buick LaCrosse: Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if the
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push 
, and an
Advisor can run a check.
OnStar Mobile App
With an iPhone® or
Androidâ„¢-based mobile device, an
OnStar mobile app can be
downloaded. The vehicle can be
remote started, if equipped, or the
doors can be unlocked from
anywhere there ...
See also:
Brake system warning light
WARNING
● Driving with the brake system warning light on is dangerous. This indicates
your brake system may not be working properly. If the light remains illuminated,
have the brakes insp ...
Channel lock
Access to specific channels can be restricted (locked). A locked channel will
not provide audio, song titles, or artist information.
NOTE
All channels are initially unlocked.
Locking a chann ...
Operating the XM Radio
To listen to XM Radio, turn the
ignition switch to the ACCESSORY
(I) or ON (II) position, and press the
button. The last channel you
listened to will show in the audio
screen and the cent ...
