OnStar®
Keys and LocksTurn and Lane-Change Signals
Move the lever all the way up or down to signal a turn.
An arrow on the instrument cluster will flash in the direction of the turn or
lane change.
Raise or lower the lever until the arrow starts to flash to signal a lane change.
The turn signal flashes three times.
The lever returns to its ...
Parking Brake
To apply the parking brake, pull up on the parking brake handle. It is not necessary
to push in on the release button while applying the parking brake. If the ignition
is in the ON/RUN position, the brake system warning light will come on.
To release the parking brake:
1. Hold the brake peda ...
Water Hose Test
Note: Use a water hose without the nozzle attached.
Have an assistant inside of the vehicle i 1. n order to locate the leak.
Begin testing at the base of the window or the windshield.
Slowly move the hose upward and across the top of the vehicle.
...