Overheated Engine Protection; Operating Mode - Buick 2007 Rendezvous Owner's Manual

If the warning continues, pull over, stop, and park
your vehicle right away.
If there is still no sign of steam, idle the engine for
three minutes while you are parked. If vehicle still
has the warning, turn off the engine and get
everyone out of the vehicle until it cools down.
Also, see "Overheated Engine Protection
Operating Mode" later in this section.
You may decide not to lift the hood but to get
service help right away.
380

Overheated Engine Protection

Operating Mode

This emergency operating mode lets your vehicle
be driven to a safe place in an emergency situation.
If an overheated engine condition exists, an
overheat protection mode which alternates firing
groups of cylinders helps prevent engine damage.
In this mode, there is a significant loss in power
and engine performance. The temperature gage
indicates an overheat condition exists. Driving
extended miles (km) and/or towing a trailer in the
overheat protection mode should be avoided.
Notice: After driving in the overheated engine
protection operating mode, to avoid engine
damage, allow the engine to cool before
attempting any repair. The engine oil will be
severely degraded. Repair the cause of coolant
loss, change the oil and reset the oil life
system. See Engine Oil on page 365.