Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL engine coolant. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first.
The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating .
See also:
Verify Minutes and Expiration
Push and say “minutes” then
“verify” to check how many minutes
remain and their expiration date. ...
Turning the System On and Off
The URPA system can be turned on
and off using the park assist button
located next to the shift lever.
The LED next to the park assist
button lights up when the system is
on and turns off w ...
Potential Issues
Some OnStar services are disabled
after five days. OnStar cannot
perform Remote Door Unlock or
Stolen Vehicle Assistance after the
vehicle has been off continuously
for five days. After five ...