Checking Coolant
Buick Rainier / Buick Rainier Owners Manual / Service and Appearance Care / Checking Things Underthe Hood / Engine Coolant / Checking Coolant

The engine coolant recovery tank is in the engine compartment on the passenger’s side of the vehicle. The cap has this symbol on it.
The vehicle must be on a level surface. When your engine is cold, the coolant level should be at FULL COLD, or a little higher.
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Side-impact airbags and antilock brakes are available. ...
Weatherstrips
Apply silicone grease on weatherstrips to make them last longer, seal better,
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Lock Sensor
When all doors are closed and the ignition is off, the vehicle can be locked
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