General Information
Vehicles with a Universal Hands—free Phone (UHP) system can use a Bluetooth® capable mobile phone with a Hands-Free Profile to make and receive phone calls. The infotainment system and voice control are used to control the system. The system can be used while the ignition is in ON/RUN or ACC/ACCESSORY. The range of the UHP system can be up to 10m (33 ft). Not all phones support all functions and not all phones work with the UHP system.
See also:
Leaving the Vehicle With
the Engine Running
(Automatic Transmission)
WARNING!
It can be dangerous to leave the
vehicle with the engine running.
The vehicle could move suddenly
if the shift lever is not fully in
P (Park) with the parking brake
firmly set. And, ...
How to Add Coolant to the Coolant Surge Tank
Notice: This vehicle has a specific coolant fill procedure.
Failure to follow this procedure could cause the engine to overheat and be
severely damaged.
If no problem is found, check to see if co ...
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 v ...