Body Component Lubrication
Lubricate all key lock cylinders, hood hinges, liftgate hinges, trunk hinges and steel fuel door hinge unless the components are plastic. Applying silicone grease on weatherstrips with a clean cloth will make them last longer, seal better, and not stick or squeak.
See also:
Shocks and Struts
Shocks and struts help aid in control
for a smoother ride.
• Signs of wear may include
steering wheel vibration, bounce/sway while braking, longer
stopping distance, or uneven
tire wear.
â ...
All-Wheel Drive
When to Check Lubricant
It is not necessary to regularly check fluid unless
you suspect there is a leak or you hear an
unusual noise. A fluid loss could indicate a
problem. Have it inspected and r ...
Cellular and GPS Antennas
Avoid placing items over or near the
antenna to prevent blocking cellular
and GPS signal reception. Cellular
reception is required for OnStar to
send remote signals to the vehicle. ...