OnStar®
Keys and LocksVisual Aiming Preparation Procedure
Important: Some state and local laws specify requirements for
headlamp aim. Comply with all of these laws when performing any
headlamp aiming operations.
Headlamp aim should be checked:
When a new headlamp capsule is installed.
If service or repairs to the front end area have, or may have, ...
Climate Control Systems
The heating, cooling, defrosting, and ventilation for the vehicle can be controlled with these systems.
Vehicles without Air Conditioning
1. Temperature Control.
2. Bi-level Air Mode.
3. Floor Air Mode.
4. Vent Air Mode.
5. Fan Control.
6. Driver and Passenger Heated Seats (If Equ ...
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 ...